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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 …

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

    In geometry, the perimeter of a shape is defined as the total length of its boundary. The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape.

  4. 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.

  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 & 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 …

  7. Perimeter - Math.net

    The perimeter is the total length or distance around a two dimensional shape. In the figure below, the perimeter of each shape is the sum of the lengths of each side, shown in red.

  8. 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 …

  9. Perimeter: Definition, Formulas & Easy Examples | Maths - Vedantu

    Perimeter is defined as the total length around the boundary of a closed two-dimensional shape. In easy words, it’s the distance you would cover if you walked along the border of a shape like …

  10. Perimeter | Brilliant Math & Science Wiki

    The perimeter of a two-dimensional figure is the length of the boundary of the figure. If the figure is a polygon such as a triangle, square, rectangle, pentagon, etc., then the perimeter is the …