dhavalrabari827 dhavalrabari827

13-05-2021
Social Studies

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find the total surface area of a cone if its stant height is 21 metre and diameter of its base is 24 metre

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prashant12345 prashant12345

13-05-2021

Explanation:

A=πrl+πr2

=22/7×12×21+22/7×12^2

=(792+452.57)sq.metre

=1244.57 sq.metre

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