Question

Two cubes each of side 10cm are joined end to end forming a rectangular shaped solid . Find the surface area of solid

Answer 1

Area of a single cube =
$6 \times {10}^{2} cm {}^{2}$
Area of two cube in total =
$1200 \: {cm}^{2}$
Area of two sides of a cube =
$200 \: {cm}^{2}$

After joining the two solids the area will be =