WhiteArea.java
package shapes;

public class WhiteArea {
    public static void main(String[] args) {

        SSquare die = new SSquare(0.75);
        SCircle dieDot = new SCircle((die.side()*1/8)/2);
        System.out.println("edge length = " + die.side());
        System.out.println("dot radius = " + dieDot.radius());
        System.out.println("dot diameter = " +dieDot.radius()*2);
        System.out.println("area of 6 die = " + 6*die.area());
        System.out.println("area of 21 die = " +21*die.area());

        double rest = (6*die.area()-21*dieDot.area());
        System.out.println("white area = "+ rest);
      }

          }