Question

In the figure below, Triangle A has been rotated about the origin. Which triangle shows a 270 counterclockwise rotation? Answers ABCDO

Answer 1

D

Explanation:

270 counterclockwise rotation:

Points (x,y) becomes points (y,-x).

Triangle A has one vertex at (2,3).

So the rotated triangle should have a vertex at (3,-2). So the rotated triangle is given by D.