Question

The dimensions of a metallic cuboid are 100*80*64cm it is melted and recast into cubes

Answer 1

Volume of the metallic cuboid will be
V=length× breath× height
V= 100 ×80×64
V=512000cubic cm


surface area of the cuboid is 2(length)+2(breath)+2(height)

S=2(100)+2(80)+2(64)
S=488squre cm

So the surface of the cube will be after melting the the cuboid will be

Surface of the cube will be S= 488 square cm

then the length breath and height of the cube will be same that is

L=B=H=488/6=81.33cm

The cube will have all the six faces will be of same dimension so
a= 81.33 cm.

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