Q. 13

# Three cubes whose

Answer :

Given,

Edge of three cubes are respectively = 3cm , 4 cm , 5 cm

So,

Sum of volume of these cubes = After melted these cubes a new cube is formed.

Let edge length of this new cube = a cm

So,

= = Edge of new cube = 6 cm

Surface area of new cube = Rate this question :

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