Answer:
(0,-1); (0,-2); (2,0); (2,-2)
Explanation:
when rotating 180 degrees all the points have their coordinate sign's flipped.
so the points go from:
(0,1) --> (0,-1)
(0,2) --> (0,-2)
(-2,0) --> (2,0)
(-2,2) --> (2,-2)
so your new shape will have the points (0,-1); (0,-2); (2,0); (2,-2)