Question

Trapezoid TUVM is rotated 90 counterclockwise about the origin. After the rotation, what is the location of vertex V?

A (2,-6)

B (-6,2)

C (6,-2’

D (-2,6)

Answer 1

D

Explanation:

Under a counter clockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ) , then

V (6, 2 ) → V' (- 2, 6 ) → D