How to determine PI number length

Question

I wanted to make coding that output number becomes the length of PI number in c# but i can't make it can you guys help me

Answer 1

I think you want to change pi precision
https://code.sololearn.com/c7kF6xUfL4a1/?ref=app

And if you want to calculate pi number you can estimating the value of pi number using Montecarlo

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.geeksforgeeks.org/estimating-value-pi-using-monte-carlo/amp/&ved=2ahUKEwi5jL72zYDoAhXbXhUIHXRPCWQQFjAAegQIBRAB&usg=AOvVaw15qGhv5K1MxnvoEGZKYMSU&ampcf=1

And remember Pi number digits are infinite