Page 108 - CA_Blue( J )_Class10
P. 108

13             else if (d == 0.0)

                14             {
                15                 r1 = -b / (2.0 * a);

                16                 System.out.println("The roots have same value: " + r1);
                17             }

                18             else
                19             {

                20                 System.out.println("The roots are imaginary.");
                21             }

                22         }
                23     }
              You will get the following output:





















                Program 4    To input the three sides of a triangle and calculate the area and perimeter of the scalene triangle.
                             Formula to calculate the area is:  s(s-a) (s-b) (s-c)  where s =  (a + b + c)
                                                                                         2
                             Formula to calculate the perimeter is: a + b + c

                 1  import java.util.*;
                 2  class scalene_triangle

                 3      {
                 4          public static void main ()

                 5          {
                 6              Scanner sc= new Scanner (System.in);

                 7              double a,b,c,s=0.0,area,perimeter;
                 8              System.out.println("Enter the three sides of the triangle: ");

                 9              a=sc.nextDouble();
                10              b=sc.nextDouble();

                11              c=sc.nextDouble();




                106106  Touchpad Computer Applications-X
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