Definition, Meaning & Synonyms
perimeter
noun
/pəˈrɪmɪtər/
Definition
The perimeter is the total length of the sides of a two-dimensional shape.
Examples
- The perimeter of a rectangle is calculated by adding the lengths of all four sides.
- To find the perimeter of a circle, you can use the formula P = 2πr, where r is the radius.
- Before building the fence, we measured the perimeter of the backyard.
Meaning
In geometry, the perimeter refers to the distance around a shape or the boundary length of a figure.
Synonyms
- Boundary
- Edge
- Border