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Circumference - Wikipedia

en.wikipedia.org/wiki/Circumference

The circumference of a closed curve or circular object is the linear distance around its edge. ... Or, equivalently, as the ratio of the circumference to twice the radius. The above formula can be r...

Calculating the circumference of a circle (Pre-Algebra, More about ...

www.mathplanet.com/education/pre-algebra/more-about-equation-and-inequalities/calculating-the-circumference-of-a-circle

The distance around a circle on the other hand is called the circumference (c). ... The circumference of a circle is found using this formula: C = π ⋅ d o r C = 2 π ⋅ ...

Circumference Calculator - Math Goodies

www.mathgoodies.com/calculators/circumference-calculator.html

Our circumference calculator lets you find the circumference of a circle after you enter its radius. For in-depth instruction on the circumference of a circle, try our ...

What is the formula for the circumference of a circle? | Reference.com

www.reference.com/math/formula-circumference-circle-7e508134800bdd34

The formula for circumference of a circle is 2πr, where “r” is the radius of the circle and the value of π is approximately 22/7 or 3.14. The circumference of a circle ...

Circumference of a circle | Area and circumference of circles | Area ...

www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/area-circumference-circle/v/circumference-from-area

Learn how to find the circumference, the distance around a circle, when given the area.

Circle Circumference, Circle Area, Sphere Area, Sphere Volume ...

www.1728.org/diamform.htm

Formulas for Circle Circumference, Circle Area, Sphere Area, Partially Filled Sphere Area, Partially Filled Sphere Volume, Sphere Volume, Cylinder Area, ...

Circumference of a Circle - Interactive Maths Series software

www.mathsteacher.com.au/year9/ch14_measurement/02_circle/circle.htm

Calculating the circumference of a circle. ... The circumference is the distance around the circle. The circumference, C, of a circle is given by the formula. where r ...

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".

Circles Definitions and Formulas - Math.com

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

arc: a curved line that is part of the circumference of a circle. chord: a line segment within a circle that touches 2 points on the circle. circumference: the distance ...

xkcd: Circumference Formula

xkcd.com/1184/

Circumference Formula. |< · < Prev · Random · Next > · >|. Circumference Formula ... hotlinking/embedding): http://imgs.xkcd.com/comics/ circumference_formula.

Answer
To work out the circumference of a circle, you multiply the diameter by Pi (approximately 3.141).
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Circumference - Math Goodies

www.mathgoodies.com

Circumference of a circle is presented in this interactive lesson from Math ... Another way to write this formula is: Circumference equals Pi times diameter ...

How to Calculate the Circumference of a Circle (with Examples)

www.wikihow.com

Write down the formula for finding the circumference of a circle using the diameter. The formula is simply this: C = πd. In this equation, "C" represents the ...

How Do You Find the Circumference of a Circle if You Know the ...

www.virtualnerd.com

In this tutorial, you'll learn the formulas for the circumference of a circle. Take a look! ... Just plug the value for the radius into the formula and solve. This tutorial ...