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A = pi x radius2

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โˆ™ 2014-01-22 20:33:50
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Q: What is the formula to find a area of a circle when given radius?
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A circle has radius r what is the formula for the area of the circle?

For a circle or radius r, the area is given by: area = {pi}r2 (ie pi times the radius squared)


How do you find the radius of a circle when the area is given?

-- Take the formula for the area of the circle in terms of the radius . . . A = (pi) R2-- Solve that formula for 'R'. You'll then have a formula for the radius in terms of the area,which is exactly what you're looking for.


Radious formula for a cicrle?

It is not clear whether you want the formula of some aspect (area or circumference) of a circle when given its radius or a formula for its radius when given some characteristic measure of the circle.


What is the formula for area of the circle?

The formula for area of a circle is TTr2.This means that we multiply 3.14(the rounded off nunber for pi) by the radius and radius(3.14xradiusxradius).If the diameter is given,divide it by 2 to get the radius.


Formula for finding radius of a circle?

c=TT R Given the area, the radius = square root (area / Pi). Given the circumference, the radius = circumf/ 2Pi.


What is the formula to find the area of a circle with the radius given?

A = pi x radius squared where pi = 3.14


What is the formula to find the radius given the are of a circle?

it is square root of the area divided by pi


What is formula for the area of a circle?

the formula for the area of a circle is 3.14 x radius squared


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 .


Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2


What is the radius and the area of a circle?

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.


Formula of circle?

The formula for the area of a circle is pi times the radius squared. The formula for the circumference of a circle is two times pi times the radius.

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