This document defines perimeter as the sum of all sides of an object. It provides examples of calculating the perimeter of different shapes by adding up the lengths of their sides. Users are instructed to visit a web link to practice calculating their own perimeters.

1. Perimeter

3. Example 2 3 P = 10

4. Example 3 6 5 P = 14

5. Example 4 4 4 P = 12

6. Example 3 3 3 3 P = 12

7. Example 8 8 P = 32