Practice Perimeter in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
The total distance around the outside of a two-dimensional shape, found by adding all its side lengths.
If an ant walked around the edge of a rectangle, perimeter is how far it walked.
Example 1
easyFind the perimeter of a rectangle with length 8 cm and width 5 cm.
Example 2
mediumA triangle has sides measuring 7 cm, 10 cm, and 12 cm. Find its perimeter.
Example 3
easyFind the perimeter of a square with side length 9 m.
Example 4
mediumThe length of a rectangle is 3 m more than twice its width. If its perimeter is 42 m, find the length and width.