find the area of the curved surface the total surface of cylinder closed at both the ends with the base radius 4.2 cm and height 15 CM
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csa of cylinder=2pierh
tsa =2pier(h+r)
put the values u will get the answer
tsa =2pier(h+r)
put the values u will get the answer
shergill3:
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Answered by
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Radius = 4.2cm
Height = 15cm
CSA = 2πrh = 2×22/7×4.2×15 = 396cm²
TSA of Cylinder = 2πr(h+r) = 2×22/7×4.2×(15+4.2) = 1663.2cm²
Height = 15cm
CSA = 2πrh = 2×22/7×4.2×15 = 396cm²
TSA of Cylinder = 2πr(h+r) = 2×22/7×4.2×(15+4.2) = 1663.2cm²
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