# Cuboid

A cuboid is a parallelepiped that has all rectangular faces joined at right angles.

### Unfold of a Cuboid

### Diagonal of a Cuboid

### Surface Area of a Cuboid

### Volume of a Cuboid

#### Examples

Calculate the diagonal of a cuboid with a length of 10 cm, width of 4 cm and height of 5 cm.

Calculate the volume (in cubic centimeters) of a room that is 5 m long, 40 cm wide and 2,500 mm high.

A swimming pool is 8 m long, 6 m wide and 1.5 m deep. The water resistant paint needed for the pool costs $6 per square meter.

1 How much will it cost to paint the interior surface of the pool?

2 How many liters of water will be needed to fill it?

A moving company is trying to store boxes in a storage room with a length of 5 m, width of 3 m and height of 2 m. How many boxes can fit in this space if each is 10 cm long, 6 cm wide and 4 cm high?

How many square tiles (20 cm x 20 cm) are needed to cover the sides and base of a pool which is 10 m long, 6 meters wide and 3 m deep?