Math, asked by mukkawarag1024, 1 year ago

The radius of a piece of wire is decreased to one -half.If the volume remains the same , then the length will increase

2 times

3 times

4 times

5 times


Show the explanation plz

Answers

Answered by Anonymous
0
volume = pie. r.r.h
= pie. (1/4).r.r h

as volume is same

so take h as,4 h

so 4 times
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