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

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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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

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.


What is the diameter and circumference of circle?

diameter=radius squared circumference=pi times diameter


How can you find the circumference of a circle with radius or diameter?

The circumference of a circle is equal to its diameter times pi. This is also equal to two times its radius times pi.


Is the circumference of a circle is two times the radius?

The circumference of a circle is 2*pi*radius or pi*diameter


How do you get the perimeter of circle?

The circumference of a circle is 3.14 times diameter. The diameter is 2 times the radius


What is the circumference of a circle with a radius of 67.5 meters?

The circumference of a circle it Pi times the diameter. The diameter is 2 times the radius. So the diameter is 135 and Pi is 3.1416. So the circumference is 424.115 metres.


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.


What is the circumference of a circle with the diameter of 16in?

Circumference of a circle is the diameter times pi or 2pi times the radius. Given the diameter, circumference = 16 times pi. So, the circumference is 16pi or 50.265


What is the relationship between the Radius to the circumference?

The circumference is ALL the way around the circle, while the radius is only HALF way into the middle of the circle. I'm guessing you meant "What is the relationship between the radius of a circle and its circumference?" Radius is half of the diameter of a circle, circumference is PI times diameter; therefore, the circumference is PI times two times radius.


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.


What is the circumference of a circle with a diameter of eight feet?

The circumference is pi times twice the radius, and the diameter is twice the radius, so the circumference is pi times the diameter: 25.13278 feet.


How do you figure out circumference and radius?

The radius of a circle is from the middle to the edge, or half the diameter. The circumference is like the perimeter of the circle, and the formula is pi times the diameter.

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