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## In chapter two lesson three we have learned a lot. today i will help you understand the lesson Similarity and Transformation. The vocabulary that you are going to learn is dilation it means a transformation that enlarges and reduces a figure by a scale factor.

Scale factor means the ratio of the lengths of two corresponding sides of two similar polygons. Similar figures means when the figure is the same matter how dig or small the the figure.in the picture above you see two square. one of square is small its length is 3x3.and the big square is 6x6. the problem is that you have to find if the square are similar.

step#1

you take the number and turn it into a ratio

step #2

if the ratio is equal you simplify

step#3

see if the square has the same number(equal)

step#4

tell what two transformation that is used up

dilation and translation