Mensurationmedium · Past Paper
What is the area of a sector with radius 7 cm and angle 90 degrees?
A38.5 sq. cm
B77 sq. cm
C154 sq. cm
D19.25 sq. cm
✓ Correct Answer: A — 38.5 sq. cm
Area = (90/360) * pi * 7^2 = 0.25 * 154 = 38.5 sq. cm.
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