Geometryeasy · Past Paper
If the circumference of a circle is 132 cm, find its radius. (Take pi = 22/7)
A7 cm
B14 cm
C21 cm
D28 cm
✓ Correct Answer: C — 21 cm
2 * (22/7) * r = 132 implies r = (132 * 7) / 44 = 3 * 7 = 21 cm.
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