The area of the shaded sector in circle P above is 18π square units. If the measure of angle PQR is 45°, what is the length of chord QR?
A. 6
B. 9
C.
D. 12
Answer:D
The area of the shaded sector in circle P above is 18π square units. If the measure of angle PQR is 45°, what is the length of chord QR?
A. 6 B. 9 C. D. 12
Explanation: D