Geometryeasy · Past Paper
The area of a circle is 616 sq. cm. What is its diameter?
A14 cm
B28 cm
C42 cm
D56 cm
✓ Correct Answer: B — 28 cm
pi * r^2 = 616 => (22/7) * r^2 = 616 => r^2 = 196 => r = 14. Diameter = 28 cm.
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