Question

What rotation was applied to triangle DEF to create D’E’F’?

Answer 1

90 degree anti-clockwise rotation

Explanation:

if you turn the paper anti-clockwise, u can see that DEF is turned into D'E'F.

Answer 2

90 degree Clockwise Rotation

Explanation:

Look at the figure and its points. When you rotate the paper clockwise, you will see that D'E'F is in the same position as DEF.