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  1. Perimeter - Wikipedia

    A perimeter is the length of a closed boundary that encompasses, surrounds, or outlines either a two-dimensional shape or a one-dimensional line. The perimeter of a circle or an ellipse is called its …

  2. Perimeter - Math is Fun

    Perimeter is the distance around a two-dimensional shape. 3 + 3 + 3 + 3 + 3 = 5×3 = 15. The perimeter of a circle is called the circumference:

  3. PERIMETER Definition & Meaning - Merriam-Webster

    In geometry, perimeter refers to the boundary of a closed plane figure. You might remember calculating perimeters in school. If each side of an equilateral triangle measures 9 feet, then the perimeter of the …

  4. How To Find Perimeter? Definition, Formulas, Examples, Facts

    The perimeter of a shape is defined as the total length of its boundary. Learn how to find th eperimeter of regular & irregular shapes, formulas, and examples.

  5. Perimeter Calculator

    Use this perimeter calculator to easily calculate the perimeter of common bodies like a square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, regular octagon, and sector of a circle.

  6. Perimeter - Definition, Examples | How to Find Perimeter?

    Perimeter is the total length of the boundary of any closed shape. Explore and learn with concepts, definitions, formulas, solved examples, and practice questions at Cuemath.

  7. How to Find Perimeter in 3 Easy Steps - Mashup Math

    Apr 23, 2024 · For each example of how to find perimeter in this guide, we will use a simple 3-step method for finding perimeter that you can use to find the perimeter of any shape and to solve any …