Question

write a program in java to accept the perimeter of a circle from user and then compute its area​

Answer 1

Answer:

public class Exercise11 {

 

  private static final double radius = 7.5;

   public static void main(String[] args) {

       double perimeter = 2 * Math.PI * radius;

       double area = Math.PI * radius * radius;

       System.out.println("Perimeter is = " + perimeter);

       System.out.println("Area is = " + area);

   }

}