The volume of circular iron rod of length 1m is 3850 cm cube find its diameter
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volume of cylinder=22÷7 ×r×r×h
3850=22÷7×r×r×100cm
3850×7÷22×100=r×r
12.25=r×r-------sq.root
3.5=r
D= r×2
= 3.5×2
= 7.0
hence,diameter is 7 cm
3850=22÷7×r×r×100cm
3850×7÷22×100=r×r
12.25=r×r-------sq.root
3.5=r
D= r×2
= 3.5×2
= 7.0
hence,diameter is 7 cm
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