Question

Triangle A'B'C'is the image of triangle ABC under a rotation about the origin (0,0)

Determine the angle of rotation

a. -60
b. -30
c. 30
d. 60​

Answer 1

9514 1404 393

Answer:

d. 60

Explanation:

Rotation is CCW and is more than 30°. The only reasonable answer choice is 60° (d).