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# How do you work out a circumference of a circle?

Updated: 12/22/2022

Wiki User

β 12y ago

The formula for working out the circumference of a circle is:

pi (3.14) x diameter

OR

pi (3.14) x 2 x radius

The diameter of a circle is the length of a line that goes right through the middle of the circle and touches on both sides.

The radius of a circle is half of the diameter.

Wiki User

β 12y ago

Wiki User

β 12y ago

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Q: How do you work out a circumference of a circle?
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Related questions

### How do you work out the diameter if you have the circumference of a circle?

Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.

### Was does Pi equall?

It is the ratio of the circumference (C) and the diameter (D) of a circle. Using pi and the diameter of a circle, you can work out the circumference.

### How do i work out the circumference of a circle from the radius?

The circumference of a circle with a known radius and can calculated using the following formula: C = 2&Pi;(r)

### How did they arrive at the geometric formula for a circle?

The circumference of any circle divided by its diameter is always equal to pi. With this information we can work out various properties of the circle such as its circumference or its area.

### What is the diameter of a circle with 52cm as circumference?

16.55cm - If you want to work it out, you will need to divide the circumference by pi.

### How do you work out diameter given circumference?

C = pi*d Remember the circle eq'n To find 'd' we algebraically rearrange. to d = C/pi

### How do you work out pi in a circle?

The value of pi = circumference/diameter

### Define what the circumference of a circle?

The circumference of a circle is the perimeter of the circle for a given diamater.

### What is the circumference of a circle if the radius is 4.4 cm?

Work it out the circumfrance of a circle is pie x the diameter!

### What name is given to the perimeter of circle?

The perimeter of a circle is its circumference

### Who is also circumference of a circle?

Nobody is the circumference of a circle!