Question

The volume of a 1 m iron rod is 1386 cu.cm.find its diameter

Answer 1

h=1m=100cm
r=d/2
Vol. of iron rod = πr²h
1386cm³=22/7×d/2×d/2×100
d²=1386×4/100×7/22
d=42cm

Answer 2

Answer:

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Step-by-step explanation:

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