Question

What is pie i am am confused i need help

Answer 1

If ya meant pi as in π



π is defined as the ratio between the circumference and diameter of any circle

the definition of pi is $\pi=\frac{circumference}{diameter}$

Answer 2

I'm sure you mean π (pronounce as "pie" and spelled as "Pi"), the sixteenth letter of the Greek alphabet. π is the ratio between a circle's circumference and it's diameter.