box in shape of cube needs to be painted. box has no lid and is 1.1m high

Question

A box in the shape of a cube needs to be painted. The box does not have a lid. The box is 1.1m high. If the inside and outside need painting what is the total area to be painted?

Answer 1

a cube has 6 faces but your box has no lid, therefore only five faces need to be considered

both sides of each face have to be painted, therefore we are looking for the area of 10 faces

A=s² (each face is a square)

A=(1.1)²

A=1.21 sq m for each face

10*1.21=12.1 sq m is the total area to be painted