Question

how to use
$\pi$
​

Answer 1

Answer:

pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14

Answer 2

Answer:

In basic mathematics, Pi is used to find the area and circumference of a circle. Pi is used to find area by multiplying the radius squared times pi. Pi is denoted as 'π'.

As fraction π = 22/7

As decimal it is taken as = 3.14

For finding the circumference of circle, the formula is,

Circumference, C = 2πr.

Similarly to find the area the formula is,

Area, A = π r^2

Hope this Helps:)