The area of the base of a right circular cylinder is 81π. If its height is 14cm, find the curved surface of the cylinder.
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a as CSA of cylinder is 2πrh
therefore 2*π*81π*14
2268π²cm²
therefore 2*π*81π*14
2268π²cm²
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CSA of cylinder is 2πrh
therefore 2×π ×81π × 14
= 2× 22/7 × 81 × 14
= 2268πr ^
therefore 2×π ×81π × 14
= 2× 22/7 × 81 × 14
= 2268πr ^
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