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Diameter of a cylindrical vessel is 7cm, height of the vessel is 21cm. Find the CSA of a cylindrical vessel? |
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Answer»
462 cm²
Step-by-step explanation: Height = 21 cm
Diameter =7 cm
Therefore, Radius = 7/2 = 3.5 cm
Curved Surface Area (CSA) = 2πrh
CSA of Cylinder = 2 × 22/7 × 3.5 × 21 = 2 × 22 × 3.5 × 3 = 462 cm²
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