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  1. 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:

  2. 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 …

  3. PERIMETER Simple Definition - Merriam-Webster

    The simple definition of PERIMETER is the outside edge of an area or surface—often + of.

  4. 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.

  5. 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.

  6. 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.

  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 …

  8. What is the perimeter of a 2D shape? - BBC Bitesize

    What is perimeter? The perimeter is the distance around the outside of a 2D shape. The distance can be measured in units like millimetres, centimetres, metres and kilometres.

  9. Perimeter Trick That Makes Calculations Easy | Math Shortcuts

    Mar 14, 2025 · 📏 What is Perimeter? Learn How to Find the Perimeter of Shapes! In this video, we’ll explore what perimeter is and how to calculate it easily!

  10. Perimeter - Math Steps, Examples & Questions - Third Space Learning

    What is the perimeter? The perimeter of a two-dimensional shape is the sum of the lengths of each of the sides.