The triangle shown is rotated 90° counterclockwise about the origin. What are the new coordinates of point A?
A)
(1,2)
B)
(-2, 1)
C)
(2, 1)
D)
(-2,-1)

The triangle shown is rotated 90 counterclockwise about the origin What are the new coordinates of point A A 12 B 2 1 C 2 1 D 21 class=