Mensurationeasy · Past Paper
The radius of a cone is 3 cm and its slant height is 7 cm. What is its curved surface area?
A66 sq. cm
B21 sq. cm
C132 sq. cm
D44 sq. cm
✓ Correct Answer: A — 66 sq. cm
CSA of a cone = πrl = (22/7) * 3 * 7 = 66 sq. cm.
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