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The volume of a solid cylinder with heig...

The volume of a solid cylinder with height 6 cm is `231 cm^3`. The radius of cylinder is:
6 सेमी ऊंचाई वाले एक ठोस बेलन का आयतन 231 घन सेमी है | इस बेलन की त्रिज्या ज्ञात करें |

A

21 cm

B

2.1 cm

C

35 cm

D

3.5 cm

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