1.

Segment QR of length r is a tangent at Q to a circle of radius r with centre at P. What is the area of the part of the triangle PQR, which is outside the circular region?

A. πr2/16
B. r2/2 - πr2/8
C. r2/2 - πr2/16
D. r2/4 - πr2/8
Answer» C. r2/2 - πr2/16


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