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**Circumference**Calculator - Check it out - find.zoo.com

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

To calculate the circumference of a circle, use the formula C = πd, where "C" is the circumference, "d" is the diameter, and π is 3.14. If you have the radius instead of the diameter, multiply it by 2 to get the diameter. You can also use the formula for circumference of a circle using radius, which is C = 2πr.

www.mathplanet.com/.../**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 (c). A line that is drawn straight through the midpoint of a circle and that has its end points on the circle border is called the diameter (d)

www.reference.com/math/**calculate**-**circumference**-**circle**-cd38f7adede000a6

How Do You Calculate the Circumference of a Circle? calculate circle diameter from circumference how to calculate circumference from area 3.14 circumference calculator find diameter of a circle using circumference calculate circumference if diameter is known radius formula circumference of a circle 10 circumference to diameter

**www.mathsisfun.com**/geometry/**circle**-area.html

Area of a Circle Calculator. Enter the radius, diameter, circumference or area of a Circle to find the other three. The calculations are done "live": How to Calculate the Area. The area of a circle is:

**circumference**-calculator.com

Circumference calculator is a free tool used to calculate the circumference of a circle when the radius is given. It can be also used to calculate other parameters of a circle such as diameter, radius and area. This means you can use this tool to do other calculations such as diameter to circumference, radius to area, radius to cicumference ...

sciencing.com/**calculate-diameter**-**circumference**-5130961.html

The distance from one side of the circle to the other, going through the center of the circle, is the diameter. The constant pi, designated by the Greek letter π, is the ratio of the circumference to the diameter of a circle. For any circle, if you divide the circumference by the diameter you get pi, an irregular number usually rounded to 3.14.

sciencing.com/**calculate**-radius-**circumference**-7804860.html

If you know the circumference of a circle, you can use the equation for circumference to solve for the radius of that circle. First you have to rearrange the equation to solve for r. Do this by dividing both sides by pi x 2. This operation will cancel on the right side of the equation and leave r by itself.

**www.calculatorsoup.com**/calculators/geometry-plane/**circle**.php

Circle Shape. r = radius d = diameter C = circumference A = area π = pi = 3.1415926535898 √ = square root. Calculator Use. Use this circle calculator to find the area, circumference, radius or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.

**www.aaamath.com**/geo612x4.htm

How to find the circumference of a circle: The circumference of a circle can be found by multiplying pi ( π = 3.14 ) by the diameter of the circle. If a circle has a diameter of 4, its circumference is 3.14*4=12.56; If you know the radius, the diameter is twice as large.

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Finally, you can find the diameter - it is simply double the radius: D = 2*R = 2*14 = 28 cm. Use our circumference calculator to find the radius when you only have the circumference or area of a circle. If you wish to calculate the properties of a three-dimensional solid, such as a sphere, cylinder or cone, it's best to use our volume calculator.

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