Find the total cost of the tent if the canvas used costs Rs 36.

A circus tent is made of canvas and is in the form of right circular cylinder and a right circular cone above it. The diameter and height of the cylindrical part of the tent are 126 m and 5 m respectively. The total height of the tent is 21 m. Find the total cost of the tent if the canvas used costs Rs 36 per square metre.

Solution:

Diameter of the cylindrical part = 126 m
Radius (r) = = 63m

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