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  1. Perimeter Calculator

    An easy to use, free perimeter calculator you can use to calculate the perimeter of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, …

  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

    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.

  4. 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 …

  5. Perimeter - Definition, Examples | How to Find Perimeter? - Cuemath

    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.

  6. 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 …

  7. Perimeter Calculator

    With this perimeter calculator, you don't need to worry about perimeter calculations anymore. Below you'll find the perimeter formulas for twelve different shapes, as well as a quick reminder about what …

  8. Perimeter Formulas - Definition, Derivation and Examples

    Perimeter formulas are used to find the distance around the 2-d shape by adding its side lengths. Understand the perimeter formula with derivation, examples, FAQs

  9. 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.

  10. Triangle Calculator: Find Area, Perimeter, Sides & Angles

    Our free triangle calculator computes the sides' lengths, angles, area, heights, perimeter, medians, and other parameters, as well as its diagram.