The circumference of the base of a cylinder is 176 cm and its height is 65 cm. Find
its lateral surface area.
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circumference=2πr
176=2×22/7×r
r=(176×7)/(2×22)
r=4×7=28cm
CSA of cylinder=2πrh
=2×22/7×28×65
=11440cm²
hope it helps you
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