A solid bar in the shape of a cuboid of length 250cm, the cross section is Xcm, the volume is 4840cm^3 a) show that X =4.4

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Rod · Answer 1 · 2016-02-20T15:02:42+0000

The volume is 4840 cc so the cross-sectional area is 4840/250=484/25 sq cm. This cross-section is a square whose side is sqrt(484/25)=22/5=4.4cm.

Hossam · Answer 2 · 2017-03-06T19:23:56+0000

4840=250*X*X

Square root 4840/250=X

X=4.4cm

Sorry I don't know what character to use for the Square root.