The answer to this question is 462
CSA of a cone= pie**radius*length (slant height)
=22/7 * 7 * 21
=22*21
=462
Written on March 28, 2018, 10:22 p.m.
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Answer of this question
Find curved surface area of cone if r=7cm and slant height is 21 cm
Anupama Singh
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