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Circle O (not shown) is divided into thr...

Circle O (not shown) is divided into three sectores. Point P, Q and R are on the circumference of the circle. Sector POR has an area of `8pi`, and sector ROQ has an area of `6pi`. IF the radius of circle O is 4, what is the measure of the central angle of sector QOP, in degrees?

A

45

B

90

C

135

D

180

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The correct Answer is:
A
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