# How to Find the Area of a Circle?

Finding the area of a circle from the length of a circumference. We all know how to find the area of a circle: 3.14 x r^2, given the value of the radiusÂ :( r) or the value of the diameter: (2r).To... Read More »
http://www.wikihow.com/Find-the-Area-of-a-Circle

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## How to Find the Area of a Circle From Circumference?

The circumference measures the distance around a circle. It equals the diameter of the circle multiplied by pi. Estimated at 3.14, pi is the constant ratio between the diameter and the circumferenc... Read More »
http://www.ehow.com/how_8101935_area-circle-circumference.html

## How to Find the Area of a Circle by Making a Flowchart?

Finding the area of a circle involves following a precise mathematical formula of "Area = 3.14 multiplied by the Radius squared." Using this formula in the form of a flowchart allows a user to fol... Read More »
http://www.ehow.com/how_7375146_area-circle-making-flowchart.html

## How to Find the Area of a Circle With Cut Outs?

A simple geometric formula will help you find the area of a circle, according to the Centre for Innovation in Mathematics Teaching, an educational research center in England. But for more complicat... Read More »
http://www.ehow.com/how_6366619_area-circle-cut-outs.html

## How to Find the Area of a Shaded Part of a Square With a Circle in the Middle?

A common beginning geometry problem is calculating the area of standard shapes such as squares and circles. An intermediate step in this learning process is combining the two shapes. For instance, ... Read More »
http://www.ehow.com/how_8166634_area-part-square-circle-middle.html

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