Question

Someone answer this in great detail please!

Answer 1

Point A: 2, -2
Point B: 3, -5

Point C: 3, -9

Explanation:

You have to move the points 90 degrees clockwise, so it has to go to quadrant 4. You get these points by the rule, (x, y) ---> (y , -x)

Answer 2

You pick one point on the triangle and spin it round 90 degrees clockwise (the way a clock goes) it works best if you have tracing paper so you can flip the whole shape instantly