Mensurationeasy · Past Paper
The area of a circle is 154 sq. cm. What is its radius?
A14 cm
B7 cm
C21 cm
D3.5 cm
✓ Correct Answer: B — 7 cm
Area = pi * r^2. 154 = (22/7) * r^2. r^2 = 49, so r = 7 cm.
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