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Question

There is a tent in a conical shape. The slant height of the tent is 14 m. If the curved surface area of the tent is 308 m2 , then what is the base area of the tent? (Take π=227)


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Solution

The curved surface area of a cone is πrl where r is radius and l is slant height of the conical tent.

Given, curved surface area of the conical tent =308 m2 and slant height, l=14 m

πrl=308

227×r×14=308

r=308×722×14=7 m

Base area =πr2
=227×72
=154 m2


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