A closed tank of radius 7m and height 3m is made from a metal sheet. How much metal sheet is required?
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Radius of closed tank = 7m
Height of closed tank = 3m
Metal sheet required = TSA of the cylindrical tank
= 2πrh
= 2π×7×3
= 42×π
= 42×22/7
= 6× 22
= 132m²
Height of closed tank = 3m
Metal sheet required = TSA of the cylindrical tank
= 2πrh
= 2π×7×3
= 42×π
= 42×22/7
= 6× 22
= 132m²
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