How can you tell by looking at the coordinates of the two triangles that a’b’c’ is a 180 degrees rotation of abc

Question

asked Jan 18, 2019 162k views

1 Answer

Pervy Sage · Answer 1 · 2019-01-23T23:43:08+0000

Answer:

D

Explanation:

Under a rotation about the origin of 180°

a point (x, y ) → (- x, - y) → D

Note this only happens if the rotation is about the origin