1. Find the surface area of the following solids:


a. A cuboid

c. A right square-based pyramid

Pythagoras may be able to help!

b. A triangular prism

d. A composite solid



2. A cuboid measures 3 m by 4 m by 50 cm. What is its surface area in m2 and in cm2?

3. A swimming pool is shown in the diagram (the measurements are the inside of the pool).


a. Find the surface area of the inside of the pool. (clue: the front surface is a trapezium.)

b. It costs $40 to paint 50 m2. How much will it cost to paint inside the pool with 3 coats of paint?