# How to find the circumference of a circle using pie

If you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π. π is roughly equal to 3.14. The formula for working out the

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## How to Find the Circumference of a Circle Using Its Area

How to find the circumference of a circle. Determine the radius of a circle. Let's assume it's equal to 14 cm. Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. You can also use it to

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## Circumference of Circle π (pi) Formula

Area of a circle = radius × radius × 3.14 (pi) by using radius and pi, we can calculate. Here we need to find the area of the circle, given: Source: topptutors.blogspot.com.

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## Area of a circle (video)

A diameter (d) is the longest chord of a circle that passes through the center of the circle and whose endpoints lie on the circle’s circumference. We get; Example: A circle has a circumference of 44 cm, its diameter is 14 cm.

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Math can be a difficult subject for many people, but there are ways to make it easier.

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## 3 Ways to Calculate the Circumference of a Circle

Usage The circumference of a circle is given by the constant π (pi) multiplied by two times the radius the circle. For example, to find the circumference of a circle with a radius of length 3 the