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When the diameter is about 1.62.

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Q: When does the area of a circle equal 8.21?
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Related questions

What is the area of a circle which has a radius equal to 1?

The area of a circle can be calculated using the formula pi*(radius^2). So in this case, the area of the circle will be pi*(1^2), which is equal to pi.


What is the area of a circle with diameter equal to 15 ft?

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the diameter of a circle is defined by the largest length from one side of the circle to the other side of the circle. the area of a circle is equal to pi(3.14) times the radius squared. the radius is equal to half of the diameter.


What the answer to the area of a circle?

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What is the radius of a circle if its circumference and area both equal 246?

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Formula and result of area of circle?

The formula for the area of a circle is: Area = (pi) x (Radius)2 . When you know the radius of the circle and you use it to calculate the area of the circle, the result will be equal to (pi) x (Radius)2 .