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)


Discussion

No Comment Found

Related MCQs