The vertices of a triangle on a coordinate plane (-4,4), (-2,4) and (-1,6). What are the coordinates of the image triangle produced by each of the following rotations?
a 90 degree counterclockwise rotation about the origin (___,___), (___,___), (___,___)
a 270 degree counterclockwise rotation
about the origin (___,___),(___,___),(___,___)
a 180 degree counterclockwise rotation about the origin (___,___), (___,___),(___,___)