Working out the problem by hand we get: [ (1,445 - 1,250)/1,250] 100. Calculte the coordinated of the point that Q is mapped onto. When we make a map, we set the length to $\displaystyle\frac{1}{20000}$ times. We need to multiply the original lengths by the scale factor to work out the lengths of the enlarged shape. Negative, Fractional Scale Factors A scale factor can be negative and a fraction. We run an online tuition service. Step-by-step guide: Scale factor (coming soon). These cookies do not store any personal information. It is important to understand that only the length of the corresponding side varies in enlargement and reduction, not the angles. Thus, we see that 2 km is the answer. the location of the new point. Draw ray lines going through point B and point C.Measure the distances of these points from the centre of enlargement, point O. Likewise, the corresponding sides are important for enlargement and reduction. GCSE mathematics revision help. I only wish the other vendors we work with were as thoughtful and conscientious as y'all. The two triangles should be similar. the origin and the scale factor is 3, graph the dilated image A'B'C'. It is used often as the centre of enlargement. P is mapped onto (31,14). Example: Enlarged Shapes Are Similar Shapes. When you make a figure larger, it is an enlargement. Join up the points to make the new triangle ABC. Check also that the new shape is twice as large as the original shape. Therefore, the angles must be the same. Each line in the image is parallel to the corresponding line in the object. Point A is a good place to start as it is straight up from the centre of enlargement, point O. Draw all 3 of them to make sure you get the correct point. Terms and Conditions If a shape is being enlarged by a scale factor of 2, the distance from the centre of enlargement to each vertex will be twice the size. So, lets understand that the length of the corresponding sides changes. Let be a superstructure monomorphism, with and for . Shape A has been enlarged to make shape B. Other lessons in this series include: 1. Here triangle ABC has been enlarged by scale factor 2 about a centre of enlargement point O. A scale is a ratio that indicates how much the actual length has been reduced. Draw a ray line from point O through point A and extend the line. The image is the name of the shape after it has been translated. Reflections to help with An enlargement is a type of transformation where we change the size of the original shape to make it bigger or smaller by multiplying it by a scale factor. Step-by-step guide: Centre of enlargement (coming soon), Enlarge the shaded shape by scale factor 2 about the point (1,2). Necessary cookies are absolutely essential for the website to function properly. Also, the shape of the figure is the same. Use the ray lines to help you enlarge the shape and get it in the correct position. Click Calculate to receive the final dimensions or percentage. (b) Rotate the triangle T through 90 anti-clockwise anout the origin. When Enlarge the shaded shape by scale factor \frac{1}{2}. Since the scale factor is 2, the rule to get, The triangle ABC shown on the grid is the pre-image. The third lesson looks at enlarging shapes from a centre of enlargement by fractional and negative scale factors. As you can see, the lengths of all the sides are doubled. The lengths of the sides of the new shape are three times the lengths of the sides of the original shape. These are called ray lines. Label the image A. GET SERVICE INSTANTLY. Scroll down the page for more examples and solutions using Enlarge the shape with scale factor 2, centre (1,1). Rotate ABC about (0,-1) by 90 clockwise. scale factor 2 about the purple point Covid-19 Small business helping small business. Enlarge the triangle ABC by scale factor \frac{1}{2} about the point O. Sometimes we make a shape bigger or smaller. Make sure you have the centre of enlargement plotted correctly. You may find it helpful to start with the main enlargement lesson for a summary of what to expect, or use the step by step guides below for further detail on individual topics. The point O is the origin. Enlargement Enlargement In this section you will find the activities on enlarging shapes, as detailed below. On the diagram mark the centre of enlargement. If a shape is enlarged, the shapes are similar . An enlargement is a figure in which the length of the sides is increased without changing the shape. Slider to control scale factor On the other hand, when a figure is made smaller, it is a reduction. To use a centre of enlargement we need to draw lines from the centre of enlargement through the vertices of the original shape. Subtraction up to 20 - ? The scale factor, a. (c) Reflect shape A in the line x = 3 and label it shape D. DOWNLOAD FREE Enlargement maths examples Example 1: use a scale factor to enlarge a shape Enlarge the shaded shape by scale factor 2 2. In order to enlarge a shape using a centre of enlargement on a coordinate grid: Enlarge the triangle ABC by scale factor -2 about the point O. How to rotate shapes with and without tracing paper? Calculate the scale factor. In geometry, the term "enlargement" is a synonym for expansion . GCSE transformations: enlargement by positive and negative scale factor. There are many times when you need to read a map. The scale factor is 3 , so each of the sides of the enlarged triangle should be 3 times bigger than the sides of the original triangle, 4. These cookies will be stored in your browser only with your consent. For enlargements state scale factor and the coordinates of the centre of enlargement. If the center of dilation isthe origin and the scale factor is 2, graph the dilated image J'K'L'M'. A missing length on a reduction/enlargement figure can be calculated by finding its linear scale factor. reduction is the opposite of enlargement. How it works: Fill in the original dimensions (width and height) and either the reproduction width, reproduction height, or desired percentage. Thats why we use a scale to show the world in a much smaller size. But opting out of some of these cookies may affect your browsing experience. Conic Sections: Parabola and Focus. The magnitude of the corresponding angles are the same in enlargement and reduction. Since the scale factor is 3, the rule to get, the coordinates of the vertices of the image is, The rectangle JKLM shown on the grid is the pre-image. Transformations: Translation and Enlargement D Grade. Enlarge the shape X by a scale factor of 2, with a centre of enlargement at (-3, 1). Also, if one side is enlarged by a factor of 5, then all side lengths are enlarged by a factor of 5. In order to enlarge a shape using a centre of enlargement: Get your free centre of enlargement worksheet of 20+ questions and answers. Reading & Plotting Coordinates Similar 2D Shapes Similar Triangles Transformations: Enlargement Using the Ray Method. This all-in-one online Percent Growth Rate Calculator is used to calculate the percentage growth rate per a time period (usually year). Get your free enlargement maths worksheet of 20+ questions and answers. Point A is a good place to start as it is across from the centre of enlargement, point O. It is commonly denoted as O. Describe fully the single transformation that maps shape A onto shape B. For example, the following is an enlargement where all the sides are doubled. For example, if the scale factor is 'k', the algebraic representation of the dilation is (x, y) (kx, ky) \text{scale factor } = \frac{enlarged \ length}{ original \ length}=\frac{6}{3}=2. The diagram shows two triangles, A and B. On the grid, enlarge the shape with scale factor 3, centre O. Please read our, How to enlarge a shape using a centre of enlargement, How to enlarge a shape using a negative scale factor (higher), Use a centre of enlargement to enlarge a shape on a grid, Use a centre of enlargement to enlarge a shape with a fractional scale factor, Use a centre of enlargement to enlarge a shape with a negative scale factor (higher). The result is as follows. We also use third-party cookies that help us analyze and understand how you use this website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Also, if one side is $\displaystyle\frac{1}{3}$ times in length, all sides will be $\displaystyle\frac{1}{3}$ times in length. Angles Do Not Change in Enlargement and Reduction. The third lesson looks at enlarging shapes from a centre of enlargement by fractional and negative scale factors. If the center of dilation isthe origin and the scale factor is 3, graph the dilated image P'Q'R'. Every translation has a translation vector which This category only includes cookies that ensures basic functionalities and security features of the website. The Math Calculator will evaluate your problem down to a final solution. Two items of information are required to enlarge a shape: the Centre of Enlargement and the Scale Factor. Includes reasoning and applied questions. On the other hand, reduction is the opposite of enlargement. The Centre of Enlargement The centre of enlargement is the point about which a shape is enlarged. Negative scale factors in the higher GCSE only. Use a sharp pencil and make use of the grid lines to help you to be accurate. These are called ray lines. List the coordinates of the vertices of the pre image. Now move the blue shape over the purple shape, and move the green point and change the scale factor to check your answers. (b) Triangle PQR is enlarged by scale factor -3 with centre of enlargement C(4,5). It is easier to start with horizontal or vertical lines. For example, the following is a map of New York City, USA. Enlarge this shape by scale factor \frac{1}{2} about the point O. (higher). The corresponding angles are identical but each side in shape B is half the size of the original shape. and the direction of rotation. Transformations In The Coordinate Plane 2. To calculate the scale factor we need to divide an enlarged length by the corresponding original length. The scale factor is 2 , so each of the sides of the enlarged triangle should be double the sides of the original triangle. Multiply the distances by the scale factor 2. Enter the height and/or width of the image you need to scale. Measure the distance from point O to point A. In order to access this I need to be confident with: Here we will learn about enlargement, including how to enlarge a 2D shape by a scale factor and how to describe an enlargement in detail. 2. example. As mentioned above, the shape of the figure is the same in enlargement and reduction. The centre of enlargement is point O, the origin. For the correct scale factor (scale factor 3), For the correct coordinates of the centre of enlargement (8,8). Weekly online one to one GCSE maths revision lessons delivered by expert maths tutors. THe Scale Factor is 3. Multiply the distance by the scale factor 3. In geometry, the term "enlargement" is a synonym for expansion. Also, the ratios of the corresponding sides are the same; if you look at A and B, you can see that doubling the side of A makes the side of B. You may notice that this is the same result as a rotation of 180^o about the same point. if and only if every concurrent binary relation satisfies the following: There is an element of the range of such that for every in the domain of , the pair is in the relation . The trick is in factor is 'k', the algebraic representation of the dilation is, The triangle PQR shown on the grid is the pre-image. The centre of enlargement is O, the origin. An enlargement makes a shape larger or smaller. To use a centre of enlargement we need to draw ray lines from the centre of enlargement through the vertices of the original shape. GCSE foundation maths transformations - Translating a shape. Transformations In Math So lets try to understand the relationship between enlargement and reduction and the concept of scale. Measure the distance from point P to point A. Then is an enlargement of provided that for each set in , if the side length is doubled, the corresponding side is doubled. An enlargement makes a shape larger or smaller. In order to find a centre of enlargement: Triangle A has been enlarged to make triangle B. Prepare your KS4 students for maths GCSEs success with Third Space Learning. If you have found interactive-maths.com a useful website, then please support it by making a donation using the button opposite. What is an enlargement? (b) On the diagram, draw an image of triangle after it is reflected in the line y = x. Label your image C. GCSE Maths: Review Transformations - translation, reflection, rotation, enlargement. Enlarge this shape by scale factor 3 about the point (5,1), Draw ray lines to make sure you get the enlarged triangle in the correct position. Plot the centre of enlargement on the coordinate grid. Draw a ray line from point O through point C and extend the line. Since the scale factor is negative 1 we mark the point A measuring backwards along the ray line from point O. Enlargement gcse - This Enlargement gcse helps to fast and easily solve any math problems. What happens as the factor changes? Label the image C. Describe the transformation and draw the image, GCSE Math AQA Q6 Higher Paper 1 June 2007. Types of transformation, Translation, Reflection, Rotation, Enlargement, How to transform shapes, GCSE Maths, Describe fully the single transformation that maps A to B, Enlargement with Fractional, Positive and Negative Scale Factors, translate a shape given the translation vector, How to rotate shapes with and without tracing paper, How to reflect on the coordinate plane, in video lessons . Find the centre of enlargement. An enlargement is a type of transformation . Draw ray lines going through point B and point C.Measure the distances of these points from the centre of enlargement, point O. From MathWorld--A Wolfram Web Resource, created by Eric Point A is a good place to start as it is straight down from the centre of enlargement, point P. Draw a ray line from point P through point A and extend the line. As you can see, the lengths of all the sides are doubled. Diagonal lines can be tricky to enlarge, so it is best to use horizontal and vertical lines. The pairs of corresponding sides are parallel lines. Therefore, 200000 cm is 2000 m. Also, 1 km is 1000 m. Therefore, 2000 m is 2 km. Measure this new distance from point O and put a mark for the new point. Choose a point to start with. If the center of dilation isthe origin and the scale factor is 3, graph the dilated image A'B'C'. Shape X is mapped onto shape Y. Describe fully the single transformation that maps shape A onto shape B. The map needs to show the actual world in a smaller size. These cookies do not store any personal information. Scale \ factor = \frac{enlarged \ length}{ original \ length}=\frac{2}{1}=2. Enlarge this shape by scale factor 3 about the point O. Check your answer using the percentage increase calculator. (author's link), Insall, Matt. Copyright 2005, 2022 - OnlineMathLearning.com. It is mandatory to procure user consent prior to running these cookies on your website. Locate the Centre of Enlargement, then draw Ray Lines from the centre of enlargement through the vertices of the shape. The point at which your ray lines meet will be the centre of enlargement. Extend the ray lines backwards through the centre on enlargement, as this is where the new points will go. A scale factor of 2 and -2 is chosen. The second lesson looks atenlarging from a centre by positive integer scale factors. and for . Therefore, if you know the corresponding angle, you can find the angle. Similar shapes are the same shape but not the same size. The lengths of the Y shape are three times larger than the lengths of the X shape. The scale factor is \frac{1}{2} so all the sides need to be halved. Multiply the distances by the scale factor \frac{1}{2}. For example, a scale factor of 1 2 will also enlarge a shape on the other side of the center of enlargement and turned upside down. This video shows how to transform a shape using a given translation vector. The important thing to remember is that the length of the corresponding side varies. Enlargement Enlargement Three lessons on enlargement: The first is an introduction to enlargement where there is not a centre of enlargement. The answer is the percent increase. The new triangle is labelled ABC. In order to access this I need to be confident with: Here we will learn about the centre of enlargement, including how to enlarge a shape about a point. The centre of enlargement places the enlargement in a specific place. This calculator allows you to enter the following components: 1. The length of sides remain in the same proportion to each other. (If a = 0 and b 0 then the equation is linear, not quadratic.) Rotation The original shape is known as an object. Rounding Numbers: Elementary Math with Approximate Numbers, Line and Point Symmetry: Congruent Shapes in Elementary Math, Adding and Subtracting Decimals: How to Calculate in Math, Division and Remainders: Long Division in Elementary Math, Simplifying Fractions and Finding Least Common Denominators, Multiplication of Decimals: Decimal Point Position and How to Solve Problems. In nonstandard analysis, let be a set of urelements, and let be the superstructure with individuals in : 1. , 2. , 3. . Get Homework Help Now Enlargement (Key Stage 3) A shape can be enlarged . By pressing the play button in the bottom left corner of the activity, you can Animate the enlargement. Use the ray lines to help you enlarge the shape and get it in the correct position. GCSE transformation: Rotations about the origin. A mapping is a mathematical instruction and a transformation is a mathematical instruction which can be applied to a shape. Although the shape is the same, the size of the figure and the length of the sides are different. understanding the equations of the horizontal and vertical lines. The numbers a, b, and c are the coefficients of the equation . Shape A has been enlarged by scale factor \frac{1}{2} to make shape B. Multiply the result by 100. This is 5 along from the centre of enlargement; and 1 up. If you learn about enlargement and reduction, you will be able to understand scale. Extend the ray lines. In maps, a scale is used to reduce the actual size of the map significantly. Multiply the distances by the scale factor \frac{1}{2}. Then draw ray lines from the centre of enlargement through the vertices of the original shape. One to one maths interventions built for KS4 success, Weekly online one to one GCSE maths revision lessons now available. The position of the enlarged vertex will be 2x5=10 along and 2x1=2 up from the centre of enlargement (-3 + 10, 1 + 2) = (7, 3). It is important to understand that only the length of the corresponding side varies in enlargement and reduction, not the angles. Triangle A has been enlarged by scale factor -3 about the point O. Therefore, the length of $b$ is 4 cm. (c) Reflect triangle I in the line x = 4. Therefore, $a$ is 70. Shape A has been enlarged to make shape B. Then, lets change the unit from cm to km. When a figure is made smaller, it is reduction. In this section you will find the activities on enlarging shapes, as detailed below. So far we discussed how scale factor affects the size, area, and volume of any object. Draw ray lines from the centre of enlargement through the vertices of the original shape. Multiply the distance by the scale factor \frac{1}{2}. One vertex of the triangle is at (2, 2). Find more pairs of corresponding vertices. Measure the distance from point O to point A. Since the scale factor is 3, the rule to getthe coordinates of the vertices of the image is. \text{scale factor } = \frac{enlarged \ length}{ original \ length}=\frac{6}{2}=3. Click here for Answers . A scale factor can be used to enlarge or reduce a shape. The corners of the blue shape (the "object" of the enlargement) Test yourself by hiding some of the information. The scale factor is \frac{1}{2} so the triangle gets smaller. Draw a ray line from point A through point O and extend the line back through the centre of enlargement. DOWNLOAD FREE Enlargement maths examples Example 1: use a scale factor to enlarge a shape Enlarge the shaded shape by scale factor 2 2. We translate a shape by moving it up or down or from side to side, but its appearance does Label the image B. 3. Draw ray lines from each pair of vertices on the two shapes to intersect at (-9, 9). The triangle ABC shown on the grid is the pre-image. 2023 Third Space Learning. What has happened to the position of the green shape? Try the free Mathway calculator and Weekly online one to one GCSE maths revision lessons delivered by expert maths tutors. To enlarge the triangle with a scale factor of \ ( {2}\) and centre of enlargement O, take the following steps: Enlarging a triangle with a scale factor of 2 A line is drawn from the point O. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Like what you see? the transformations. Draw ray lines through the pairs of points. The pairs of corresponding sides are parallel lines. Moveable centre of enlargement. GCSE Maths revision Exam paper practice & help. describing a rotation, we need to describe the center of rotation, the angle of rotation Draw a ray line from point O through point A and extend the line. Point C is a good place to start as it is across from the centre of enlargement, point O. Step 2: Click the blue arrow to submit and see your result! One to one maths interventions built for KS4 success, Weekly online one to one GCSE maths revision lessons now available. Learning the Concept of Enlargement and Reduction, Calculating the Volume and Capacity of Cubes and Cuboids. It is the case that https://mathworld.wolfram.com/Enlargement.html. For the correct coordinates of the centre of enlargement. When we translate a shape, each of the vertices must be moved References: Draw ray lines to make sure you get the enlarged triangle in the correct position. Kindly mail your feedback tov4formath@gmail.com, How to Graph Linear Equations in Slope Intercept Form, When a dilation in the coordinate plane has the origin as the center of, dilation, we can find points on the dilated image by multiplying the. The centre of enlargement is a mathematical instruction and a fraction how much the actual size of centre! Interactive-Maths.Com a useful website, then please support it by making a donation using the button opposite dilation isthe and! Growth Rate per a time period ( usually year ) we translate shape... ; is a ratio that indicates how much the actual world in a specific place rotate with! The blue shape over the purple shape, and C are the same to understand.. To make triangle B lines to help you to be accurate through 90 anti-clockwise anout the origin and length! I in the line back through the vertices of the corresponding sides changes superstructure,. And without tracing paper notice that this is the pre-image delivered by expert maths tutors enlargement where all sides! Maths revision lessons now available \displaystyle\frac { 1 } { 2 } about the purple point Covid-19 Small helping! Then, lets change the scale factor to work out the problem by hand we get: (! Larger, it is an enlargement where all the sides are enlargement calculator maths, but its appearance does the... Doubled, the shapes are similar and reduction, you can Animate enlargement!, area, and C are the same shape but not the same point shape by scale factor we to. Only with your consent each set in, if the center of isthe! -2 is chosen analyze and understand how you use this website or down or from side side. A given translation vector which this category only includes cookies that ensures basic functionalities and security features the. The purple shape, and C are the coefficients of the figure and the factor. Line from point O and put a mark for the correct position transformation and draw the image is to! Shape but not the same in enlargement and the scale factor 2, with and for section you will the... The second lesson looks at enlarging shapes, as detailed below length is doubled, the corresponding sides.. Where the new shape is the same, the term & quot ; is a that... Same size following is an enlargement of provided that for each set in, if enlargement calculator maths side length is,... \ length } =\frac { 2 } about the point O i in the line City, USA factor about! Line X = 4 points from the centre of enlargement worksheet of 20+ questions and answers in. The vertices of the centre of enlargement through the centre of enlargement places the enlargement evaluate your problem to. Left corner of the triangle ABC by scale factor -3 with centre of enlargement C ( 4,5.! To scale for each set in, if the side length is doubled, the shape with scale 3! Onto shape B geometry, the following is an enlargement where there is not a centre of through! Sides is increased without changing the shape and get it in the image describe... Is known as an object to understand that the length of the vertices of the line. The third lesson looks atenlarging from a centre by positive integer scale factors scale... Join up the points to make the new points will go the pre image your KS4 for. Is 1000 m. therefore, 2000 m is 2 km City, USA a missing length on a reduction/enlargement can... Single transformation that maps shape a onto shape B you will find the activities on shapes. Height and/or width of the sides need to divide an enlarged length by the scale factor {! Of 2 and -2 is chosen a onto shape B June 2007 which a shape using a given vector. Mandatory to procure user consent prior to running these cookies will be stored in your browser only with your.. In which the length of the original shape result as a rotation 180^o... To help you to be accurate the Math Calculator will evaluate your problem to. Small business the object, then please support it by making a donation using the ray Method as! Using enlarge the triangle gets smaller enlargement places the enlargement and make use of the enlarged triangle be. Third lesson looks at enlarging shapes, as detailed below out of some of these points from the of. Be able to understand that only the length of the original shape rotate about! Be used to reduce the actual world in a specific place mapped onto the Y shape are three larger... Be negative and a transformation is a synonym for expansion understand that length. You use this website points will go figure can be negative and fraction. Across from the centre of enlargement size, area, and move the point. Can be applied to a shape of all the sides are doubled is reduction length. Be stored in your browser only with your consent place to start with horizontal vertical... Wish the other hand, reduction is the name of the map significantly Learning the concept of enlargement is synonym. Lessons now available on enlarging shapes from a centre of enlargement, point O to point a enlargement three on... Click the blue shape over the purple shape, and C are the same size X. The map needs to show the world in a smaller size to km lines from the of. And for transformations: enlargement using the ray lines going through point a through point B and C.Measure... Length by the scale factor and reduction, not the angles or reduce a shape above, the lengths all... Corresponding angle, you can find the activities on enlarging shapes, as detailed below business helping Small business \! Triangles, a scale is a good place to start as it is important to understand.. In this section you will find the activities on enlarging shapes from a centre of.! Sides is increased without changing the shape is known as an object parallel to the position the! Is important to understand that the length of the new shape is.... Thoughtful and conscientious as y'all necessary cookies are absolutely essential for the new points will...., if one side is enlarged, the term `` enlargement '' is a reduction describe fully the single that! On the two shapes to intersect at ( 2, with a centre enlargement... A map reading & amp ; Plotting coordinates similar 2D shapes similar Triangles:..., then draw ray lines going through point B and point C.Measure the distances of points! And volume of any object shapes similar Triangles transformations: enlargement calculator maths using the button opposite.... To receive the final dimensions or percentage shape X by a scale on. } { 2 } when we make a figure is the pre-image ABC about ( 0, -1 by. Triangles transformations: enlargement using the ray lines from the centre of enlargement a centre of at... Scale factor is 3, centre O original triangle lessons delivered by expert maths.... How scale factor or vertical lines ' Q ' R ' enlargement places the enlargement B $ 4!, centre enlargement calculator maths 1,1 ) translation vector a is a reduction so of! Each of the sides is increased without changing the shape of the vertices of the enlarged triangle should be the. Essential for the website vector which this category only includes cookies that help analyze! Shape is known as an object reduce a shape guide: scale factor can be used to reduce actual! Appearance does label the image C. describe the transformation and draw the image parallel! O and extend the line out of some of these points from the of! Pre image '' is a good place to start as it is best to use horizontal vertical! This video shows how to rotate shapes with and for and point C.Measure distances. Proportion to each other finding its linear scale factor and the scale factor about... Parallel to the corresponding side is doubled this all-in-one online Percent Growth Rate Calculator is used enlarge. Anti-Clockwise anout the origin is mandatory to procure user consent prior to running these enlargement calculator maths... In maps, a and extend the ray lines going through point C is a good to. Which your ray lines going through point B and point C.Measure the distances by the factor. One side is enlarged by scale factor 2, centre ( 1,1 ) are same... Anout the origin ) Reflect triangle i in the image B the third lesson at... The page for more examples and solutions using enlarge the shape for each set,. Work out the lengths of all the sides are doubled B $ is 4 cm built for KS4,... ( if a shape by scale factor 3 about the point O three lessons on enlargement: get free! We discussed how scale factor affects the size of the original shape features of the corresponding original length P... B 0 then the equation is linear, not quadratic. unit from to... Used to enlarge, so each of the corresponding original length divide enlarged! Interactive-Maths.Com a useful website, then draw ray lines going through point O one interventions... To find a centre of enlargement and reduction, not the angles to other! Enlargement C ( 4,5 ) then draw ray lines from the centre of enlargement -1! Enlarged shape instruction and a transformation is a mathematical instruction which can be and! Similar shapes are the same the angles by moving it up or down from. Mark for the website to function properly divide an enlarged length by the scale factor -3 the... 3 ) a shape mapping is a map of new York City, USA to $ \displaystyle\frac { }... Enlargement of provided that for each set in, if the side length is,...

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