Perimeter
The perimeter is the distance around the outside of a shape. 8 m
8 cm + 3 cm + 8 cm + 3 cm = 22 cm
3 m
You can use your knowledge of shapes to find missing sides. Find the perimeter of the regular pentagon.
Perimeter = 6 cm × 5 = 30 cm.
6 cm
124
9781380050717__text.indb 124
28/04/2022 12:12
Made with FlippingBook Learn more on our blog