Question

Two cubes, each of side $4$cm are joined end to end. Find the surface area of the resulting cuboid.

Answer 1

After joining the cubes a cuboid will be formed of dimensions

$4\times 8\times 4$

Hence, Surface Area of Cuboid is $=2(4\times 8)+2(8\times 4)+2(4\times 4)=160c{m}^2$