Volume of Prisms

​Copy the formulas in your exercise books!

Copy the diagram and the working out.

Your turn to practice finding volume of a rectangular prism is on the next slide!

​

Example 1
Rectangular Prism

Multiple Choice

Find the volume of the rectangular prism

• 24m³

• 240m³

Example 2 Triangular Prism

A triangle with base 8 cm and height 5 cm forms the base of a prism,

as shown. If the prism stands 4.5 cm high:

​b) Find the volume of the prism


V = Ah
V = 20 x 4.5
V = 90cm³

 
 

Example 2 Triangular Prism

Multiple Choice

Find the area of the triangular base

• 12m²

• 7m²

• 6m²

• 24m²

Multiple Choice

Find the volume of the triangular prism

• 12m²

• 13m³

• 72m³

• 36m³

Copy the diagram and the working out.

Your turn to practice finding volume of a cylinder is on the next slide!

​

Example 3
Cylinder

Multiple Choice

Find the volume of the cylinder (to 2 decimal places)

• 113.10cm³

• 12cm³

• 75.40cm³

• 226.19cm³

Multiple Choice

What is the formula to find the area of a trapezium?

• $$A\ =\ \frac{1}{2}bh$$

• $$A\ =\ l\times w$$

• $$A=\frac{1}{2}\left(a+b\right)h$$

• $$A=s^2$$

Multiple Choice

Find the volume of the trapezium (V=Area of the base shape x h)

• 60m³

• 126m²

• 30m³

Finished!
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