text: Area of a Circumscribed Circle of a Square | C # Program to find the area of a circumscribed circle ; Utiity function ; Driver code
code: using System ; class GFG { public static double PI = 3.14159265 ; static float areacircumscribed ( float a ) { return ( a * a * ( float ) ( PI / 2 ) ) ; } public static void Main ( ) { float a = 6 ; Console . Write ( " ▁ Area ▁ of ▁ an ▁ circumscribed " + " ▁ circle ▁ is ▁ : ▁ { 0 } " , Math . Round ( areacircumscribed ( a ) , 2 ) ) ; } }