Copy of Similar Polygons Investigation

作者：Sarah Czar, allen_flvs, youngcar

Explore these 2 similar shapes. Drag the vertices ABC to manipulate the figure. a) What do you notice about the CORRESPONDING angles? b) Write and solve a proportion that PROVES these figures are similar.

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animation
Visualize the Theorem of Thales
Pantograph
equation of radius starter
Conic sections
Linear Regression Student's score

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平移
角柱
平行四邊形
角錐
立方（體）

Copy of Similar Polygons Investigation

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