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Question

A canvas of area 550 m2 is used to make a tent of radius 7 m. The volume of that tent =

A
1232 m3
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B
3850 m3
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C
2257 m3
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Solution

The correct option is A 1232 m3
From the given data, CSA of cone = 550m2
Therefore πrl = 550m2
227×7×l=550m2
l=55022=25m
l2=r2+h2h=25272 =576 =24m

Volume of the tent =13πr2h
=13×227×72×24
=1232 m3


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