2 cubes each of volume 64 `cm^3` are joined end to end. Find the surface area of the resulting cuboid.

Two cubes, each of volume 512cm^3 are joined end to end. Find the surface area of the resulting cuboid.

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

Three cubes, each of 5 cm, are joined end to end. Find the surface area of the resulting cuboid.

Find the total surface area of the following cuboids.

Find the total surface area of the following cuboids.

If two cubes, each of side 6 cm are joined face to face, then find the volume of the resulting cuboid?

True/false Two identical solid cubes of side a are joined end to end. Then the total surface area of resulting cuboid is 12a^2 .

Two cubes each with side 'b' are joined to form a cuboid. What is the surface area of this cuboid? It is 12b^2 ? Is the surface area of cuboid formed by joining three such cubes 18b^2 ? Why?