Question

Given point A (2, 6,) on the triangle, what are the new corridantes after the triangle is rotated 180 degrees clockwise

Answer 1

A 180° rotation about the origin sends (x, y) → (−x, −y). So A(2, 6) becomes A'(−2, −6).

(180° clockwise = 180° counterclockwise, so the same result.)