Project 1 area of Circle User requirements

Question

Area of Circle. Does the project1 area of Circle in sololeaen c# course really-really declares constant pi or declares double pi=3.14? We know that C# itself provide constant value as in Java, Math.PI = 3.141xxxxxxx

Answer 1

Oliver Pasaribu
What do you think?
Math.PI is already there but you can declare your own.