Geometry 7.2a, Dilations & Similarity Transformations

An explanation of a dilation as a transformation that maps (x,y) to (kx, ky) where k is greater than 0, has a center at (0,0), and scale factor k. How similarity ratios are scale factors, drawing and describing dilations, how the pre-image and image of dilations are similar, similarity transformations, and finally determining whether polygons are similar.

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