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Multiply the diameter by Pi as the formula Pi x d = Circumference. Where d stands for diameter.

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Q: How do you calculate the circumference of a circle if you know the diameter?
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How do you calculate the diameter of a circle?

If you know the circumference, the ration of the diameter to the circumference is π, so diameter = circumference/π If you have the radius, diameter = 2 x radius


How do you calculate the diameter of a circle if you know the circumference?

To get the diameter d is to divide the circumference C by pi. d = C / pi


What may be calculated from its diameter?

If by "it" you mean a circle, once you know the diameter, you can calculate its radius, its circumference, and its area.


How do you find the length of of the radius of a circle?

You can either measure it, or calculate it if you know the diameter (radius = diameter / 2), or the circumference (radius = circumference / (2pi)).


How do you find the diameter without the circumference?

The diameter of a circle can be found without the circumference using the formula d = 2r. This formula requires that you know the radius of the circle which is half of the diameter. To calculate the diameter you need to multiply the radius by 2. For example if the radius of the circle is 4 then the diameter would be 8 (4 x 2 = 8).You can also find the diameter of a circle if you know the circumference. To do this use the formula c = d. By rearranging the equation you can calculate the diameter as d = c/. For example if the circumference of the circle is 12.5 the diameter would be 4 (12.5/ = 4).


How do you find the diameter of a circle when you know the circumference?

circumference/pi = diameter


How do you figure out diameter?

Assuming you are talking about a circle:* If you know the radius of the circle, multiply that by 2. * If you know the circumference of the circle, divide that by pi. * If you know nothing, you need to measure either the radius, the diameter, or the circumference.


How dou find diameter?

You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.


In a circle the circumference and diameter vary directly Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second ci?

In a circle, the circumference and diameter vary directly. Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second circle the diameter is 14 when the circumference is 44?


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

Divide the known circumference by pi to find the diameter of the circle.


What formula do you use if you know the diameter of a circle and want to find the circumference?

circumference of a circle = pi * diameter.


If you know the circumference of a circle how do you get the diameter?

Divide the circumference by pi.