Question

If the volume of a one meter long cylinder iron rod is
1368 cm3, then find its diameter.
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Answer 1

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Answer 2

Answer:

Volume of Cyliender =pie.r^2.height

1mt=100cm

1368=22/7×r^2×100

1368×7 =r^2

22 ×100

2^3×3^2×19×7 =r^2

22×100

in root

2×3 root (2×19×7)/22×100 = r

6/10×4.4=r

264=r

we know that 2r=diameter

2×264=d

528cm