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Of a circle

you multiply the radius by two to find the diameter

then you use the formula for circumference which is: diameter times pi

pi is usually used as 3.14 because the real number goes of forever (3.14159265358979323...)

The person who gave us the value of pi you got that answer off a calculator you DO NOT USE A PI BUTTON ON A CALCULATOR because all calculators have a digit limit and you may get a number that is smaller or larger than that number since Pi is indefinate there is no other way that humans can configure pi without using 3.14 or 22/7 just wanted to say that :)

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Q: How do you find circumference by radius value?
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Related questions

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 radius of a circle when the circumference is given?

Divide the circumference by the value of Pi, then halve that result.


How do you find the radius if circumference is given?

Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)


How do you find radius with only the circumference?

Circumference = 2*pi*radius So Radius = Circumference/(2*pi)


How do you find the area of a circle if you know the circumference?

Circumference = pi x diameter = pi x 2 x Radius (By definition - Step 1) So Radius = (Circumference)/(pi x 2), (find Radius - Step 2) Area = pi x Radius x Radius, (substitute value or radius obtained in step 2)


How do you find the radius if you dont know the diameter but you know the cicumference?

Dividing the circumference by 2*pi will give the value of the radius.


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

find the radius of a circle with circumference of 42.1


How do you find a circumference of a circle that has a fraction as a radius?

The Circumference of a circle is twice the Radius x Pi (π) OR C = π x 2R ... (2 x Radius) x Pi (π) = Circumference The value of π is taken to be 3.142


How do you find the radius if you the the circumference?

Circumference = 2 x Pi x Radius Radius = Circumference / (2 x Pi).


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 circumference using radius'?

Circumference of a circle = 2*pi*radius


When given radius how do you find the circumference?

Circumference = 2 * radius * pi (where pi is approx = 3.14159)So Radius = Circumference / (2 * pi)