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?