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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 do you calculate circumference?

A: The circumference of a circle is calculated by multiplying pi by the diameter, or 2 pi times the radius. The diameter or radius value is required to calcul... Full Answer >Filed Under: -
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## How do you measure a curve?

A: Measure the length of a curve by treating the curve as part of a complete circle. Once the diameter of the circle is known, it is possible to calculate the... Full Answer >Filed Under: -
Q:
## What is a chord in math?

A: A chord is a straight line that connects two points on the curve of a circle. Unlike a secant, which is a line that extends infinitely in both directions, ... Full Answer >Filed Under: -
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## What is the radiius of a circle?

A: The radius of a circle is the distance from the center of a circle to any point on its edge. The word derives from the Latin word "radius," meaning a staff... Full Answer >Filed Under: