About 20,800 results
Open links in new tab
  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. 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? - 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. PERIMETER Definition & Meaning - Merriam-Webster

    4 days ago · 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, …

  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 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 …

  10. Perimeter - definition of perimeter by The Free Dictionary

    Define perimeter. perimeter synonyms, perimeter pronunciation, perimeter translation, English dictionary definition of perimeter. the circumference or outline of a closed figure; outer boundary of an enclosed …