it is required to make aclised cylindeical tank if height 1m andd base diametre 149cm from a metal sheet are required for the same
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height of acylinder=1cm
radius of the cylinder=149/2=74.5cm
surface area=2pierh=2×22/7×74.5×1=468.57
radius of the cylinder=149/2=74.5cm
surface area=2pierh=2×22/7×74.5×1=468.57
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