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The radius of a circle is the distance from the center to any point on the circle. The area is the space within the circle. The formula to find the area is πr2. r stands for the radius of the circle. If you want to find the radius, you can work backwards from the area or the circumference, which is the perimeter of the circle. The formula for circumference is 2πr.
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Earn +20 ptsQ: What is the radius and the area of a circle?
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Continue Learning about Geometry
What is the area of a circle if the radius is 9m?
The area of a circle if the radius is 9m 254.5m2
What is the radius of a circle with the area of 36?
The radius of a circle with the area of 36 is 3.385
What is the area of a circle with radius of 2m?
The area of a circle with a radius of 2m is: 12.566 m2
What is the area of a circle of the radius of 10m?
A circle with a radius of 10m has an area of 314.16 m2
How you get the area of a circle?
A= Area of the circle¶= Pi (About 3.14)r= Radius squared (Radius times radius)3.14 * Radius squared
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