Geometry Module 2, Topic B, Lesson 9

Student Taking Notes

Student Outcomes

  • Students prove that dilations map an angle to an angle with equal measure.
  • Students understand how dilations map triangles, squares, rectangles, trapezoids, and regular polygons.

Downloadable Resources

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Common Core Learning Standards

CCLS State Standard
G.SRT.1.a A dilation takes a line not passing through the center of the dilation to a parallel line, and...
G.SRT.4 Prove theorems about triangles. Theorems include: a line parallel to one side of a triangle divides...

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