Question

do some research on important numbers in mathematics. Choose one that is interesting to you (it...

do some research on important numbers in mathematics. Choose one that is interesting to you (it can be on e or pi or a different number)

In your post, share with us what you have found out about the number, for example, its history, some trivial facts about the number, and/or how it is applied.

Math   Algebra   
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Answer #1

facts about number pi

pi is a mathematical constant which is the ratio of circles circi=umference to its diameter

it is also called "Archimedes constant " after greek mathematician Archimedes

it is represented by greek letter

its standard value is 22/7 which is approximated to 3.14

we can use pi in geometry and trigonometry, eigenvalues , fourier transform , vector calculus etc

it can be applied to find area of circle

if radius of circel is given we can find the area by applying formula A = pi r^2

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