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Area = Pi * (radius squared), and radius = 1/2 diameter, so

A = Pi*(0.5d)^2

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โˆ™ 14y ago
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Q: Find the area of a circle by measuring its diameter?
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How do I figure the area of a circle by diameter?

To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)


How to find the area of a circle?

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In order to find the diameter of a circle if you have the area is to rearrange the formula for the area of a circle to put diameter as the unknown, like so: PIE*d = Area of a Circle d = (Area of a Circle) / PIE Therefore if the area of your circle is 40cm, 40/PIE = 12.73cm and that's the diameter.


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How do you find the diameter of a circle in the terms of pi?

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Find the area of a 15cm diameter circle?

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