The height and radius of the base of a cylinder are in the ratio 3:1. If it's volume is 1029cm3 find it's total surface area...
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volume of cylinder = πr²h
let r = x, h = 3x
22/7x²×x = 1029
x = 49/22
TSA = 2πr(h+r)
2 ×22/7×49/22{147/22+49/22}
TSA = 124.72cm²
let r = x, h = 3x
22/7x²×x = 1029
x = 49/22
TSA = 2πr(h+r)
2 ×22/7×49/22{147/22+49/22}
TSA = 124.72cm²
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