Geometryhard · Past Paper
The difference between the circumference and radius of a circle is 37 cm. Find the area.
A154 sq cm
B44 sq cm
C308 sq cm
D77 sq cm
✓ Correct Answer: A — 154 sq cm
2*pi*r - r = 37 => r(2*22/7 - 1) = 37 => r(37/7) = 37 => r = 7 cm. Area = 154 sq cm.
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