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

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13y ago

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How do you find the circumfrance if the diameter is given?

mutiply by pi 3.14159265.............................................


What is the diameter of a circle that has a circumfrance of 21.98m?

The diameter should be 7m.


How do you find the circumfrance of a cirlce if you know the diameter?

You multiply the diameter by Pi, that is 3.14159 (to the nearest 5th decimal). circumf. = dia. x Pi.


What do diameter and circumfrance have to do with pi?

In any circle, the ratio of circumference to diameter is (pi).


How do you findthe diameter if i have the circumfrance?

Divide the circumference by pi.


Is the ratio of a circumfrance to its diameter called pi?

yes


Pi is the ratio of a circles circumfrance to its what?

diameter ------------- Diameter. The R (radius) of a circle multiplied by two equals the diameter.


What is the diameter from 18 circumfrance?

To find the diameter from a circumference of 18, you can use the formula for circumference, which is ( C = \pi d ), where ( C ) is the circumference and ( d ) is the diameter. Rearranging the formula gives ( d = \frac{C}{\pi} ). Substituting in the value, the diameter is approximately ( \frac{18}{\pi} ), which is about 5.73 when using ( \pi \approx 3.14 ).


How do you figure out the circumfrance?

Circumference = 2*pi*radius or diameter*pi


Circumfrance of a 1.25 diameter?

To find the circumference of a circle, you have to multiply Pi and the Diameter. This means that to work out the answer you multiply Pi by 1.25. This equals 3.92699081, which rounded equals 3.93 (2dp) - the circumference of a circle with a 1.25 diameter.


If a circle is 3.9 meters in diameter what is its circumfrance?

3.9 x 3.14 m


What is diameter if circumfrance is 10 feet?

10/pi = 3.1831 feet (rounded)