Rotations on the Plane
Create a triangle with vertices (4,5), (4,0), and (1,0).[br]1. Rotate the triangle 90 degrees about the origin.[br]2. Rotate the triangle 180 degrees about the origin. [br]3. Are the images in (1) and (2) congruent? Explain. [br][br]4. What is a rotation? [br]5. What point does a figure rotate about?