the diameter of the base of a cylinder is 2.8m, height is 2.5m.find the area covered in 100 revolutions
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For this , we have to first find the CSA
CSA = 2πrh
= 2×22/7×1.4×2.5
= 11 m²
Now for 100 revolutions , multiply The CSA with 100
= 11 × 100
= 1100 m²
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