Math, asked by tsahil788, 10 months ago

एक बेलन के आधार की परीधी 2.2 मीटर है इसकी ऊंचाई 20 मीटर हो तो इसका आयतन
करो।
(a) 7.7 घन मीटर (b) 16 घन मीटर (c) 14 घन मीटर (d) 8.8 घन मीटर |​

Answers

Answered by Anonymous
5

Step-by-step explanation:

Perimeter of base = 2πr

2.2 = 2×22/7 × r

7 × 22/10 = 2r × 22

2r = 7/10

r = 7/20 = 0.35 m

volume of cylinder = πr²h

V =22/7 ×7/20 ×7/20 ×20

V = 22×7/20 = 7.7

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