Question

A cube of side length 4 metre is cut into 64 equal parts. if the cube was painted initally ,find the surface area of the cubes which has no side painted?​

Answer 1

Answer:

.n=3V64=4

cubes which has no side painted

=(n-2)^3=(4-2)^3=2^3=8Nos...

SA of 8 cubes = 6a2x8

= 6xl^2 x8=48m2. Ans