find CSA of cylinder whose radius is 3.5 cm and height is 10 cm
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Answer:
given ,radius of cylinder , r = 3.5 cm
height of cylinder, h = 10 cm
so CSA of cylinder = 2πrh
= 2 ×22/7× 3.5 ×10
= 44/7 ×35
= 44 ×5
= 220 cm²
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