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- Dictionaryperimeter/pɪˈrɪmɪtə/
noun
- 1. the continuous line forming the boundary of a closed geometrical figure: "the perimeter of a rectangle" Similar
- 2. an instrument for measuring the extent and characteristics of a person's field of vision.
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Learn how to find the perimeter of regular and irregular shapes using linear units of measurement. Explore the formulas, examples, and practice problems on perimeter with interactive games and activities.
Perimeter is the outer edge of an area or the length of the outer edge of a shape. Learn how to use perimeter in different contexts, such as geometry, basketball, and irrigation, with examples and collocations.
Perimeter is the boundary of a closed plane figure or the length of such a boundary. Learn more about the word history, synonyms, examples, and related phrases of perimeter.
Perimeter is a line or curve that encloses an area or a boundary of a figure. Learn the origin, usage, and examples of perimeter in math, geometry, and other contexts.
Perimeter is the distance around a two-dimensional shape. Example: the perimeter of this rectangle is 7+3+7+3 = 20. Example: the perimeter of this regular pentagon is: 3 + 3 + 3 + 3 + 3 = 5×3 = 15. The perimeter of a circle is called the circumference: Circumference = 2 π × radius.
Perimeter is the distance around a two dimensional shape or a one-dimensional length. Learn how to calculate the perimeter of various shapes, such as circles, triangles, polygons, and curves, and see the difference between perimeter and area.
Learn what perimeter means and how to calculate it for different shapes. See the perimeter of a rectangle, a circle and other examples with diagrams and formulas.
