Area and perimeter
Perimeter Let’s Learn Together
The perimeter of a shape is the distance around the outside. It is a length, so it is measured in cm, or metres, or kilometres.
1 Find the perimeter of the model football pitch 12 + 18 + 12 + 18 = 60 cm The perimeter is 60 cm.
12cm
18cm
2 One of the shapes you can find on a soccer ball is a regular pentagon. It has 5 sides of equal length. The perimeter of the pentagon is 30 cm. What is the length of one of the sides?
Perimeter = 30 cm One side = 30 ÷ 5 = 6 cm The length of one of the sides is 6 cm.
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01/12/2021 14:54
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