three solid cubes of side length 3 m ,4m and 5m are melted and a single cube is formed. find the side length of the new cube
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Step-by-step explanation:
Given, Edges of the 3 metallic cubes are 3cm,4cm,5cm
Their total volume
=(3) 3+(4) 3 +(5) 3
=24+64+125
=216 cm3
Volume of the new cube so formed=216 cm3
∴ each side of the cube formed = 3
216 =6 cm
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