import java.util.Scanner;


public class Problem_1348 {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        int ax,ay,bx,by,cx,cy,l;
        double ac,bc,ab,x,min,A,B,C,h;
        x=h=0;
        ax=in.nextInt();
        ay=in.nextInt();
        bx=in.nextInt();
        by=in.nextInt();
        cx=in.nextInt();
        cy=in.nextInt();
        l=in.nextInt();

        ab= Math.sqrt( (bx-ax)*(bx-ax)+(by-ay)*(by-ay) );
        ac =Math.sqrt( (cx-ax)*(cx-ax)+ (cy-ay)*(cy-ay) );
        bc= Math.sqrt( (cx-bx)*(cx-bx) + (cy-by)*(cy-by) );
        A=ac; B=bc; C=ab;

        x=(A*A-B*B+C*C)/(2*C);
       h= Math.sqrt((A*A-x*x));
         min=h;


          if(A>B){
            if(min-l<0)System.out.printf("%.2f",0.00); else System.out.printf("%.2f",min-l);
            System.out.println();
            if(A-l<0)System.out.printf("%.2f",0.00);else System.out.printf("%.2f",A-l);
        }else{
            if(min-l<0)System.out.printf("%.2f",0.00); else System.out.printf("%.2f",min-l);
            System.out.println();
            if(A-l<0)System.out.printf("%.2f",0.00);else System.out.printf("%.2f",B-l);
        }

    }
 }

Edited by author 06.05.2014 16:57

Если основание высоты не попадает в отрезок AB, то такого расстояния не хватит