What is the equation to pi (math)

Answer:
Use the formula.
The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.
Explanation:
Answer:
Pi= C/D
Explanation:
pi equals a circle's circumference divided by its diameter