Question

ABCD is a square and P, Q, R are points on AB, BC and CD respectively such that AP = BQ = CR and angle PQR = 90°, then angle QPR = ?
A. 60°
B. 45°
C. 30°
D. 90°

Answer 1

Answer:

It is 45°.

QPR+PRQ+PQR=180°

90-x+90+90-x=180°

-2x=-90°

x=45°

QPR=90-x

=90-45=45°