Q. 12

A conical tent is to accommodate 11 persons. Each person must have of the space on the ground and of air to breath. Find the height of the cone.

Answer :

Given,


Number of person in the room = 11


Each person covers area = 4m2


Total area covered by all = 44m2


πr2 = 44



Volume of the cone = 220m3


We know that,


Volume of the cone =





Hence, the height of the cone will be 15m


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