Question

problem 2: rotate a right triangle 180°. what happens to the right angle? explain. rotate about origin answer:

Explanation:

When a right - triangle is rotated 180° about the origin, the shape and size of the triangle remain the same. Rotation is a rigid transformation. Since the measure of an angle is preserved under rigid transformations, the right - angle in the right - triangle still remains a right - angle after a 180° rotation.

Answer:

The right - angle remains a right - angle.