Question

In the drawing below, QS bisects ZPQR,PO = 9 units, PS4 units, and RS-3 units.

What is OR in units?
O A 21
O B. 12
O C. 8
o D. 6 3/4

Answer 1

9514 1404 393

Answer:

D. 6 3/4

Explanation:

The angle bisector divides the sides proportionally:

QR/PQ = RS/PS

QR = PQ×RS/PS = 9×3/4

QR = 6 3/4