Circumference of the base of a cylinder is 132 cm .Hight is 72 cm .find its lateral surface area.
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Answered by
143
CIRCUMFERENCE OF CIRCLE = 2πR
132 = 2×22/7×R
R = 132×7/44
= 21cm
HEIGHT OF CYLINDER = 72CM
CSA OF CYLINDER = 2πRH
= 2×22/7×21×72
= 9504cm²
132 = 2×22/7×R
R = 132×7/44
= 21cm
HEIGHT OF CYLINDER = 72CM
CSA OF CYLINDER = 2πRH
= 2×22/7×21×72
= 9504cm²
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