Three cubes of metal whose edges are 3, 4 and 5 cms respectively, are melted and formed into a single cube. Find the edge of the new cube formed.
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Volume of first cube=s³
=3³
=27
Volume of first cube=³
=4³
=64
Volume of first cube=s³
=5³
=125
Volume of new cube=64+27+125
=216
Volume of new cube=s³
216=s³
³√216=s
6=s
:. Edge of new cube is 6cm
Hopefully it will help you
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