Write a program to evaluate the three angels of a triangle given its sides

   1:  #include<stdio.h>

   2:  #include<conio.h>

   3:  #include<math.h>

   4:   

   5:  float getdegree(float radians)

   6:  {

   7:  float degree;

   8:  float pie=3.14159;

   9:  degree=(radians*180)/pie;

  10:  return(degree);

  11:  }

  12:   

  13:  float getangle(float x,float y, float z)

  14:  {

  15:  float rads;

  16:  float degs;

  17:  rads=(y*y+z*z-x*x)/(2.0*y*z);

  18:  rads=acos(rads);

  19:  degs=getdegree(rads);

  20:  return(degs);

  21:  }

  22:  void main()

  23:  {

  24:  float a,b,c,A,B,C;

  25:  printf("Enter the sides of the triangel: ");

  26:  scanf("%f%f%f",&a,&b,&c);

  27:  A=getangle(a,b,c);

  28:  printf("Angle A=%f degrees\n",A);

  29:  B=getangle(b,a,c);

  30:  printf("Angle B=%f degrees\n",B);

  31:  C=getangle(c,a,b);

  32:  printf("Angle C=%f degrees\n",C);

  33:  getch();

  34:  }