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The perimeter of a polygon is a the sum of the lengths of all the sides.

## Perimeter

en.wikipedia.org/wiki/Perimeter

shape, formula, variables. circle, 2 \pi r = \pi d, where r is the radius of the circle and d is the diameter. triangle, a + b + c\,, where a , b ...

## Perimeter Formulas - Math.com

www.math.com/tables/geometry/perimeter.htm

(pi = pi = 3.141592...) Perimeter Formulas The perimeter of any polygon is the sum of the lengths of all the sides. Note: "ab" means "a" multiplied by "b".

## Perimeter - Math Goodies

www.mathgoodies.com/lessons/vol1/perimeter.html

In fact, in mathematics, we commonly use the following formula for perimeter of a rectangle: P = 2L + 2W , where P is the perimeter, L is the length and W is the ...

Video:What's the Formula for Finding Area and Perimeter of a Rectangle? I'll show you some examples:Lets say you have a rectangle that's 6 inches long by 4 inches wide. The formula is written as Perimeter = 2(length) + 2(width). More »

## Perimeter - Math is Fun

www.mathsisfun.com/geometry/perimeter.html

Perimeter. Perimeter is the distance around a two-dimensional shape. Example: the perimeter of this rectangle is 7+3+7+3 = 20. perimeter ... Perimeter Formulas  ...

## Perimeter formulas, Perimeter - Math

www.math10.com/en/geometry/perimeter.html

Perimeter formulas for all geometric figures. ... Perimeter, perimeter formulas. Perimeter of a figure is the sum of the lengths of all sides. Not all figures have ...

## What is Perimeter? - Definition & Formula - Video & Lesson ...

In mathematics, the perimeter is the distance around a two-dimensional shape. The formula for finding the perimeter of certain shapes will be...

## Cool math .com - Perimeters of Geometric Shapes - Circles ...

www.coolmath.com/reference/perimeters

Formulas and instructions for finding the perimeters of circles (circumferences), kites, parallelograms, rectangles, rhombi, squares, trapezoids and oddly shaped  ...

## What's the Formula for the Perimeter of a Rectangle? | Virtual Nerd

www.virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/perimeter/rectangle-perimeter

... perimeter of a rectangle? This tutorial shows you how to find that formula! Keywords: definition; perimeter; rectangle; formula; length; width; variable; equation.

Popular Q&A
Q: What is Perimeter formula for rectangle?
A: 2(length + height) perimeter. Read More »