Question

5. The volume of a circular iron rod of length 1m is 3850 cm. Find its diameter.
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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Volume = 3850 cm³

Length i.e. height = 1 m = 100 cm

Volume = πr²h

22/7 x r² x 100 = 3850

r² = 3850/100 x 7/22

r² = 12.25

r = √12.25

r = 3.5

So, the diameter of the rod is 2 x 3.5 i.e. 7 cm.