Answer:
N': (-2, 2) L': (1, 6) M': (-8, 6)
Explanation:
The shape need to be rotated around the origin by 180 degrees. When you do this the new triangle's vertices lay on the top left quadrant. An easy way to think of it is that you take the entire bottom right box and turn it 90 degrees and then put it in the top right quadrant. Then turn it another 90 degrees and put it in the top left quadrant.