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The circumference of a circle is the length of the circle's perimeter.

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Q: How do you find the perimeter if you already know the circumference of a circle?
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How do you find the perimeter when circumference is given?

When the shape is a circle, then the perimeter is called"circumference".The circumference IS the perimeter of a circle.


What is the equation to find the perimeter of a circle?

Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)


What is the value and perimeter if the circumference of a circle if it is 3 ft?

The circumference of a circle is the same as the perimeter of a circle, so the perimeter and circumference would both be 3 ft.


How do you find the diameter of a circle with the perimeter?

The equivalent of a "perimeter" in a circle is actually called its circumference. To get the diameter, just divide the circumference by pi.


How do you find the perimeter of a semi circle with a diameter of 12mm?

-- Find the circumference of a full circle with a diameter of 12 mm.-- The perimeter of the semi-circle is(1/2 the circumference of the full circle) + (the diameter).


How do you find the perimeter for a semi circle?

Its perimeter is half of its circumference plus its diameter


How do you find the perimeter from the diameter?

The perimeter or circumference of a circle = diameter times pi


How do you find the circumference of a circle if only the perimeter is given?

The perimeter of a circle is the circumference. If you mean the circle is drawn around (and touches the 4 corners of) a square, and you know the perimeter of the square, you divide the square's perimeter by 4, do pythagorean's theorem on the 2 sides (legs) to find the hypotenuse, and that hypotenuse will be the diameter of the circle. You then multiply that diameter you get by pi to get the circumference.


How do you find the length of perimeter or circumference of a circle?

Since pi is the ratio of a circle's circumference to its diameter, multiply the diameter by pi (about 3.14159) to get the circumference.


Is a perimeter a part of a circle?

A circle does not have a perimeter, but it has a circumference, which is pretty much the same thing. To find the circumference, multiply pi(3.14) times the diameter which is the distance across the center of the circle. I hope this helped


Why would you need to find the circumference of a circle?

As for example when constructing a round-about on a road you'll need to know its perimeter which is the circumference of a circle.


How do you find the perimeter of a half circle with the raduis of 7 inches?

The perimeter of a circle is called the circumferenceTo find the circumference of a circle you do 2 times pi times radiusC = 2 * 3.14159 * 7 = 43.98inchesSince this is a half circle you have to take half of the circumference...you answer is 21.99inches