A conical tent is to accommodate 11 persons. Each person must have 4m² of space on the ground and 20m² of air to breath. Find the height of the come.
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Area of ground = 44sq.mπr = 44sq.mr = 44/π .......(1)and each person needs 20cu.m of airSo 11 persons will need 220 cu .m of airTherefore volume of tent = 220 cu.m1/3πr h = 220cu.m(1/3*π)*(44/π)*h = 220 ( from 1 )1/3*44*h = 220h = 220*3 / 44h = 5*3h = 15 cm
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