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The radius of a sphere is 6 cm. It is me...

The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is
एक गोलक कौ त्रिज्या 6 से.मी. हैं। इसे पिघला कर 0.2 से.मी. त्रिज्या वाली एक तार बनाई गई। उस तार कौ लंबाई बताइए?

A

a.81 metre

B

b.80 metre

C

c.75 metre

D

d.72 metre

Text Solution

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The correct Answer is:
D
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