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Rotation: 8.GA.2

Author:
vanryswt
Topic:
Rotation

Rotation

The example below shows a rotation about the origin of triangle ABC. Move the slider to see how triangle A'B'C' rotates.
1. How does the rotation affect the triangle A'B'C'? 2. Is triangle ABC and triangle A'B'C' always congruent? Challenge: Is there a way reflections could be used to get triangle ABC on A'B'C'.