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# What is pi used for?

**Pi is used to find the circumference and area of a circle.** It is also used to find the volume and surface area of a sphere, cone and cylinder. Pi has applications that go beyond geometry as well, such as statistics and probability.

For example, it is used for calculating normal distributions and the distribution of prime numbers. It is also used in Buffon’s Needle Problem. This proof determines the probability of a needle landing on a line when it is dropped onto a plane containing equally spaced parallel lines. Pi is also prominent in geometric constructions and some formulae involving limits.

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## Why is pi important in math?

A: Pi is important in math because it describes how the circumference of a circle is in proportion to the diameter of a circle. To get pi, a mathematician div... Full Answer >Filed Under: -
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## What are the notable mathematical problems that feature pi?

A: Some mathematical problems that feature pi are the area of a circle, a circle's circumference, arc length and the different surface area and volume formula... Full Answer >Filed Under: -
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## Why is pi important?

A: If the circumference or the area of a circle is known, pi can be used to find the diameter and the radius of that circle. Likewise, if the radius or diamet... Full Answer >Filed Under: -
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## How do you calculate the diameter of a circle?

A: One can calculate the diameter of a circle mathematically if the circumference or the area of the circle is known. If the location of the center of the cir... Full Answer >Filed Under: