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Bymeltingallthreea. Core of three cubes of metal are 3 cm, 5 em and 4 cm respectively.new cube is made. Find the volume of new cube and the length of the core of this cube.ntoing 1500 litres water in it.

Answer»

Cubes with edge 5,3,4volume of eah cube will be =(5×5×5),(4×4×4), (3×3×3)=125,64,27total volume will be 125+64+27=216this volume will be of new formed cube side of cube =cube root of volume= 6lateral surface area of cube is 4×(side×side)=4×(6×6) =4×36 =144



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