What is Pi in Math?
Π(Earth) = C/d = Circumference/diameter = 40075/12742 = 3.14159
- Pi(π) is the ratio of a circle's circumference to its diameter. Pi is a constant number, meaning that for all circles of any size, Pi will be the same.
- Pi is also an irrational number, which means that its value cannot be expressed exactly as a simple fraction. As a result, Pi is an infinite decimal. Although 22/7 gives a result that is close to Pi, it is not the same number.
- Since mathematicians can't work with infinite decimals easily, they often need to approximate Pi. For most purposes, Pi can be approximated as 3.14159. Some people even shorten it to 3.14, which is why Pi Day is celebrated on March 14(3/14).
- Interestingly, there can be no "final" digit of Pi, because it's an irrational number that never ends. Mathematicians have also proved that there are no repeating patterns in the digits of Pi.
Why Pi?
- Pi is the Sixteenth letter in greek word. The Greek letter(π) was first used to represent Pi by william jones in 1706, because (π) was an abbrevation of the Greek word for perimeter:"περίμετρος."
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| Pi used to find area and circumference of circle |
Examples:
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| Pi Designed Tires |
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| Pi Designed Wall Clock |
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| Pi Designed Cricket Stadium |