What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi ... unit area) for the paper is fairly constant. If the paper is uneven than this doesn't give ...

Then the value of pi would be the circumference divided by twice the radius. Simple, right? Oh, but what if your circle isn't perfect? I mean, who draws perfect circles anyway? Let's imagine that ...

With the number 3.1418, Archimedes was able to calculate the circumference of a circle, Britannica states. It wasn’t until 1706 the Pi (π) symbol was created by British mathematician William Jones.