3. How much metal she will be required to make a closed cylinder of height lm
and radius 0.7m?
Solution: Tsa of a cylinder = ?
=2×22upon 7 ×?
=?
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Step-by-step explanation:
Height, h=1m
Radius, r=0.7m
TSA of cylinder=2πr(r+h) =2X22/7X0.7(0.7+1)
=2X22/7X0.7X1.7
=7.48m²
Therefore area of metal sheet required=7.48m²
Hope I was able to help you. ☺
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