# History Of Pi

### By: Amanda

## How Was Pi Discovered

PI was dicovered in 2550 bc in ancient Greece by a mathematician named Archimedes of Syracuse

## What Is Pi Used For

Pi is used to calculate circumference and area.The formulas are,

Pi×radius ^2=area

Pi×Diameter=circumference

Pi×2×radius=circumference

## What Are The First Twenty Digits of Pi

3.14159265358979323846

## How to remember thexactly first 8 digits of pi

You can remember the first 8 digits of pi by remembering the phrase

Can I have a large container of coffee

3. 1415926

## Is Pi an Irrational Number

Yes Pi is an irrational number because it is an endless non repeating number. For example

9.6565656 is not irrational it

3.1415926 is irrational because it's not repeating