Q. 125.0( 3 Votes )

Two cubes, each of volume 512 cm3 are joined end to end. Find the surface area of the resulting cuboid.

Answer :

Given,


Volume of each cube = 512 cm3


Let length of edge of each cube = a cm


So,


=


= a


When these two cubes are joined end to end a cuboid is formed :


Length of cuboid = 8+8 = 16 cm


Breadth = 8 cm


Height = 8 cm


Surface area of resulting cuboid =


=


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