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www.ask.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 is...

Circumference

en.wikipedia.org/wiki/Circumference

[edit]. Circle illustration with circumference (C) in black, diameter (D) in cyan, radius (R) in red, and centre or origin (O) ...

Lesson on Circumference of a Circle - Math Goodies

www.mathgoodies.com/lessons/vol2/circumference.html

Circumference of a circle is presented in this interactive lesson from Math Goodies. Learn circumference at your own pace.

math.about.com/library/blcircle.htm
The Diameter is equal to twice the radius. The radius is a line segment that begin from the centre and touches any point on the circle. In circles the AREA is equal to 3.14 (p) times the radius (r) to the power of 2. Thus the formula looks like... More »
By Deb Russell, About.com Guide

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

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

Here we find the circumference, the distance around a circle, given the area. We' re building on our knowledge of the parts of circle.

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

www.wikihow.com/Calculate-the-Circumference-of-a-Circle

How to Calculate the Circumference of a Circle. Whether you're doing craft work, putting fencing around your hot tub, or just solving a math problem for school, ...

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 rectangle or a square is as you might remember called the perimeter. The distance around a circle on the other hand is called the ...

Circumference of a Circle - AAA Math

www.aaamath.com/geo612x4.htm

An interactive math lesson to calculate the circumference of a circle.

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

www.virtualnerd.com/tutorials/?id=PreAlg_11_01_0010

Then you can use the formula for the circumference of a circle to get the answer! ... circle; find circumference; diameter; pi; multiply; pi times diameter; solve for ...

Popular Q&A
Q: Circumferance of a circle.
A: The circumference of any circle is the irrational number "pi" (very approximately 3.1418) times the diameter of the circle. Read More »
Source: www.answers.com
Q: The circumference of a circle.
A: Pi x diameter. Read More »
Source: www.answers.com
Q: Circumferance of a circle?
A: Distance that billy has travelled = [(pi*d*number of revolutions)/100]m = [(pi*70*130)/100]m = 286m Read More »
Source: answers.yahoo.com
Q: Circumference of the circle??
A: http://i2.photobucket.com/albums/y48/xxkrystinaxx9/7_17p.gif In the figure above, both circles have their centers at point O, and point C lies on segment OD. If... Read More »
Source: answers.yahoo.com
Q: Circumference of a circle..?
A: You are right. C = d*pi. Either they messed up or there was a 2 that you didn't notice. d = 2r, so C = 2*pi*r. I hope this helps! Read More »
Source: uk.answers.yahoo.com