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

Answer:
90 degree Clockwise Rotation
Step-by-step 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.
Answer:
90 degree anti-clockwise rotation
Step-by-step explanation:
if you turn the paper anti-clockwise, u can see that DEF is turned into D'E'F.