A robot arm PQ with end coordinates P(0,0) and Q(2,5) rotates counter clockwise about P in the XY plane by 90°. The new coordinate pair of the end point Q is

A robot arm PQ with end coordinates P(0,0) and Q(2,5) rotates counter

1.	A robot arm PQ with end coordinates P(0,0) and Q(2,5) rotates counter clockwise about P in the XY plane by 90°. The new coordinate pair of the end point Q is
A.	(-2, 5)
B.	(-5, 2)
C.	(-5, -2)
D.	(2, -5)
Answer» C. (-5, -2)