Question

The vertices of a triangle are

A(-4, 5), B(-4, 1) and C(-1, 1)
Rotate the triangle 180°about the origin. What are the coordinates of A?

Answer 1

Answer: (4,-5)

Explanation:

The rule for a rotation by 180°

180°

about the origin is (x,y)→(−x,−y)

A (-4,5) (4,-5)