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Subjects>Math>Other Math

Why is the circumference of a circle diameter times pi or 2 radius times pi?

Anonymous

∙ 13y ago

Updated: 4/28/2022

Because 2 times the radius is equal to the diameter of the circle

Wiki User

∙ 13y ago

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Q: Why is the circumference of a circle diameter times pi or 2 radius times pi?

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Continue Learning about Other Math

What is the circumference of the circle with a 6 inches radius?

The circumference of a circle equals the diameter times pi. The diameter is two times the radius. So a circle with a radius of 6 would have a diameter of 12, and a circumference of 12pi.

How do you calculate the diameter and the circumference of a circle?

Doubling the radius will give the diameter and times this by pi will give the circumference of the circle.

Given the circumference of a circle what is the radius?

Circumference equals the diameter times pi. The diameter is 2 times radius. Radius equals Circumference divided by pi then divided by 2.

Is circumference larger than radius?

Yes it is. Circumference is the whole area of the circle. Radius is from the middle to the side of the circle. Yes it is. The radius it half way across the circle from the center, while the circumference is all the way around the circle. The diameter is all the way across the circle, while being twice the radius. The circumference is about 3.14 times the diameter (or Pi if you prefer).

If the diameter is 25.6 what is the circumference?

divide the diameter of 25.6 by 2 to find the radius. The radius is 12.8. The formula to find the circumference is radius squared times pi. 12.8 squared is 163.84 and multiplied by pi is 514.7.. So Circumference = 514.7 The above computation gives the AREA of the circle, not the CIRCUMFERENCE. The CIRCUMFERENCE is 2 times the radius times pi, or the diameter times pi.

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