the circumference of the base of a cylinder is 22cm if its height 7cm then find its curved surface area
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2πr=22cm ( given )
r=7/2 or 3.5
CSA= 2πrh
2×22/7×7/2×7
=154sqcm
r=7/2 or 3.5
CSA= 2πrh
2×22/7×7/2×7
=154sqcm
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