Area of a Circumscribed Circle of a Square | Java program to calculate area of a circumscribed circle - square ; Utility Function ; Driver Function
import java . io . * ; class Gfg { static float areacircumscribed ( float a ) { float PI = 3.14159265f ; return ( a * a * ( PI / 2 ) ) ; } public static void main ( String arg [ ] ) { float a = 6 ; System . out . print ( " Area ▁ of ▁ an ▁ circumscribed " + " circle ▁ is ▁ : " ) ; System . out . println ( areacircumscribed ( a ) ) ; } }