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# What is the function of Pi?

The mathematical constant pi has many uses, most of which are associated with the circle or circular objects. Often, pi is used for geometric purposes, such as calculating the area of a circle or the volume of a sphere.

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Pi is an irrational number that does not have a specific value that can be shown. Often, the value is rounded to 3.14 or shown as the fraction 22/7. Outside of mathematics, pi is also used in physics for calculating measurements such as angular velocity. Pi is also necessary when converting between degrees and radians, as one radian is equal to pi/180 degrees.

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Q:
## How many radians are in a circle?

A: The number of radians in a circle is equal to 2 pi, or approximately 6.28. Since there are 360 degrees in a circle, each radian is equal to 360 divided by ... Full Answer >Filed Under: -
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## How do you divide a circle with eight equal pieces with three straight lines?

A: To divide a circle into eight equal pieces with three straight lines, first draw two diameters that partition the circle into four sections. Next, separate... Full Answer >Filed Under: -
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## What is the formula for a circumference of a circle?

A: The formula for the circumference of a circle is 2(pi)r. R stands for the radius of the circle, which can also be found by taking the diameter and dividing... Full Answer >Filed Under: -
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## What is the diameter of a circle?

A: The diameter of a circle is defined as a segment drawn through the center, touching two points on the perimeter. The length of the diameter is the same, ev... Full Answer >Filed Under: