please answer my question ? use pie=22/7
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Answered by
1
Hey mate ,
CSA of cylinder = 2πrh
= 2×22/7 ×21 × 28
= 2× 22×3×28
= 3696 cm ^2
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Answered by
1
Answer:
3696.
Step-by-step explanation:
the curved surface area of cylinder = 2πrh
= 2×22/7×21×28
= 3696.
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