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The earliest known use of the Greek letter π to represent the ratio of a circle's circumference to its diameter was by Welsh mathematician William Jones in his 1706. It has been speculated that pi was chosen because it is the first letter in the word "periphery." It caught on after being popularized by Euler in 1736.
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What is the number that you use to find pi?
the number is that you use for pi is 3.14 the number is that you use for pi is 3.14
What is pi about?
Pi is the number you have to use to solve many circle equations. If you want to find the area of a circle, use radius squared times pi. For the circumference, use diameter times pi.
What is the name of the number 4.188790205etc it is four-thirds pi?
It is 4/3*pi which does not have a specific name.
What is 136 times pi?
The answer is 427.04 if we use 3.14 as pi.
Where did PI originate from?
PI is the Latin name of the Greek letter(by Greek letter I mean the PI symbol.
