# How do i calculate circumference?

You must know the diameter or radius of a circle to calculate the circumference. To calculate the circumference of a circle multiple Ï€, or 3.14, by the diameter of the circle. If you know the radi...
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## How to Measure Arm Circumference?

Measuring arm circumference is a good way to keep track of progress during weight training or dieting. It is a simple process, and therefore can be done quite often. It is also a necessary task if ...
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http://www.ehow.com/how_2314068_measure-arm-circumference.html

## What is the circumference of a basketball rim?

A standard basketball rim has a diameter of 18 inches across the center of the rim, according to the National Basketball Association. This equals out to a total circumference of 56 and 1/2 inches.S...
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## How to Calculate Circumference in Inches?

One way to measure a circle's circumference in inches is to measure around the circle, but all that bending might break your ruler. A simpler way is to take advantage of circular properties, like t...
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http://www.ehow.com/how_8153429_calculate-circumference-inches.html

## Differences Between Circumference & Diameter?

In geometry, the terms circumference and diameter refer to the length of specific parts of a circle. They are two different measurements of length, but they share a special mathematical relationshi...
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