# How to Find the Diameter of a Circle & Distance?

The diameter of a circle is the distance between any two points on the circle's perimeter through the center of the circle. You can calculate the diameter of a circle based on other information you...
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http://www.ehow.com/how_8133437_diameter-circle-distance.html

## How to Estimate the Diameter of a Circle?

The diameter is the line that runs across the center of a circle, with endpoints on the circumference. Although finding the diameter of a circle is done by multiplying the radius by two, the diamet...
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http://www.ehow.com/how_8486454_estimate-diameter-circle.html

## How to Figure the Diameter of a Circle?

The diameter of a circle is the measurement of a straight line going from one point on the edge of the circle, through the center, and to another point on the opposite edge of the circle. You can f...
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http://www.ehow.com/how_6435059_figure-diameter-circle.html

## How to Measure the Diameter of a Circle?

When you're working with geometric shapes, there are many formulas that you can use. But before you can use these formulas, you must have some basic shape measurements. To determine the circumferen...
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http://www.ehow.com/how_6352129_measure-diameter-circle.html

## How to Use an Ellipse to Calculate the Diameter of a Circle?

An ellipse can provide you with not just one but two diameters. An ellipse is a circle that has been extended in a single direction that results in a longest and a shortest diameter, also respectiv...
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http://www.ehow.com/how_7986248_use-ellipse-calculate-diameter-circle.html