A military tent of height 10m is in the form of a right circular cylinder with a diameter
base 24m and height 5m surmounted by a right circular cone of same base radius. Find
the cost of canvas used in making the tent at the rate of 42RS/- per square meter.
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moat is a deep, broad ditch, either dry or filled with water, that is dug and surrounds a castle, fortification, building or town, historically to provide it with a preliminary line of defence. In some places moats evolved into more extensive water defences, including natural or artificial lakes, dams and sluices.
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