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Answered 2008-05-21 14:22:19

find the radius of a circle with circumference of 42.1

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find the circumference of a circle 5ft radius?

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What is the area of a circle in terms of its circumference?

Using the circumference, you would find the radius first. The circumference C = 2*Pi*r where r is the radius. Then, the area of the circle = Pi*r^2.


How do you find circumference of a circle if you have radius?

For a circle, circumference = 2 x pi x radius.


How do you find circumference using radius'?

Circumference of a circle = 2*pi*radius


How do you find the radious of a circle can you find the circumference?

The radius of a circle is the distance from its centre to its circumference. If a circle has a radius of r units then the length of its circumference is 2*pi*r units.


How do find the circumference of a circle?

The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.


How do you find the radius of a circle using circumference?

Circumference = 2*pi*radius So the radius = circumference/2*pi


Find the circumference of a circle with a radius of 5.6?

Circumference of a circle = 2*pi*radius Circumference = 2*pi*5.6 = 35.18583772 units


How can you find the circumference of circle?

Circumference of a circle = 2*pi*radius or diameter*pi


How do i find circumference and area of a circle?

Circumference of a circle = 2*pi*radius or diameter*pi Area of a circle = pi*radius squared


The radius of a circle is 5 inches Find the circumference of the circle?

Circumference = 2 x pi x radius = 31.4159


How do you find the circumference of a circle with a radius of 4?

Circumference of a circle = 2*pi*radius = 8*pi or 25.13274123 units


Find the circumference and area of a circle with radius of 5 centimeters?

The circumference of a circle with a radius of 5 centimeters 157.0796...The area of a circle with a radius of a 5 centimeters is 78.5398...


What is the circumference and area of a circle that has a radius of 4?

To find the circumference of a circle then multiply pi (3.14159265...) by the diameter of the circle. To find the area then multiply pi by the radius squared.


What is the circumference when the radius is r?

To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr


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 do you find the circumference of a circle with just the radius?

The circumference of a circle is equal to the radius times 2*pi. 2*pi*R where R is the radius.


When you know the circumference of a circle how do you find the diameter?

If you know the circumference of a circle, you can find the radius by dividing the circumference by the value of Pi (3.14159...)


How do you find the circumference of a circle with a radius?

Circumference = 2*pi*r


How do you answer the formula of a circumference?

to find the circumference of a circle you do 2 times3.14timesthe radius


How do you find circumference of a circle given?

circumference of a circle = 2*pi*radius or pi*diameter


The radius of the circle is 5inches what is the circumference?

The circumference of a circle that has a radius of 5 inches is 10 X pi or approximatly 31.415926535897932384626433832795. If you know the radius you can find the circumference by multiplying it by 2(pi)


How do you find the radius of a circle when the circumference of the circle is twenty four pi?

circumference = 2 x π x radius ⇒ radius = circumference ÷ (2π) = 24π ÷ 2π = 12 units.


How do you find distance if radius is given?

Diameter of a circle = 2*radius Circumference of a circle = 2*radius*pi


What is the formula to find circumference when you are given the radius?

To find the circumference of a circle the formula is: 2*pi*radius or diameter*pi


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