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Divide the area by pi and then square root it this will give the radius of the circle.

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โˆ™ 2011-04-07 10:20:56
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Q: How do you find radius when area is given?
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Related questions

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

Area = pi*radius2 So, radius = sqrt(area/pi)


How can you calculate the radius with the area given to you?

Area of a circle = pi x radius squared, so to get the radius, divide the Area by pi (3.14159), and then find the square root of that


How do you find the radius if given the area is 314cm2?

Divide 314 by pi and square root the answer which will give you the radius.


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

A = pi x radius squared where pi = 3.14


How do you find the area of a circle without knowing the radius?

If the circumference or diameter is given then you can find the radius or simply measure the distance from the centre of the circle to the circumference.


How can I find circumference when only area is given?

Radius = square root of (area/pi) Circumference = 2*pi*radius


How do you find the radius with the area given to you the area?

The area of a circle is A=πr2, so the radius is r = √(A/π). Divide the area by pi and then take the square root.


How do you find the radius of an inscribed circle of a square given the area of the circle?

If yo have the area of the circle, the square is irrelevant. Radius = sqrt(Area/pi)


How do you find the area of a circle with a given radius diameter and circumference?

Given the radius, r, the area is pi*r^2.If given the diameter d, the radius is d/r so the area is 0.25*pi*d^2If given the circumference, c, the radius is c/(2*pi), so area = 0.25*(c^2)/pi


How do you find the radius of an inscribed circle of a square given the area of the square?

Half the square root of the square radius equals the circle radius.


How do you find the arc length with the area given?

With the information given, you cannot. You need the radius or the central angle.


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

A = pi x radius2


In a given circle of radius 14 cm a rectangle is inscribed such that it has maximum area Find that area?

112cm2


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

a=area p=pi r=radius sqr(a/p)=r


How do you find the area when given diameter?

Area of a circle = pi*radius2 Radius = diameter/2


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

it is square root of the area divided by pi


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

By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.


How to find the surface area and volume of a sphere with a given radius.?

Given a sphere of radius r, Surface area = 4{pi}r2 Volume = (4/3){pi}r3


How do you find the surface area of a cylinder when given the height and circumstance?

Entire surface area of a cylinder = (2*pi*radius^2)+(circumference*height) If you are given the circumference then radius = circumference/2*pi


How do you find the circumference of a circle with the area given?

Square root (Area/pi) to get the radius Then 2xRadiusxPi= Circumference


How do you find the area of a cirlcle?

The area of a circle is given by the formula A=pi x r2 Where A is the area of the circle, pi is a constant approximately equal to 3.1415, and r is the radius of the circle. So, to find the area of a circle with a radius of 5cm you would first square the radius -- 25 cm2. Then times by pi. So the answer would be 25pi cm2.


How do you find the height of a cylinder if the area of the curved surface and the radius is given?

2(pi)(r)(h)=the area of the curved surface


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

Find the circumference of a circle with radius 5 ft.Area of a circle. The area of a circle of radius r is given by the polynomial πr2. Use 3.14 as an approximation for π.


How do you find the area of a circle if the diameter is given?

multiple the diameter by 2 to get the radius, then use your equation and go from there


How do you find the surface area of a cylinder when given the diameter?

half the diameter and then get the radius times pi and square it