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What rotation was applied to triangle DEF to create triangle D'E'F'?
(x,y) → (x, y)
(x,y) → (-y, x)
(x, y) → (-x, -y)
(x,y) → (y, -x)


What Rotation Was Applied To Triangle DEF To Create Triangle DEF Xy X Y Xy Y X X Y X Y Xy Y X class=

Answer :