WAP to classify the triangle as equilateral, isosceles and scalene.

#include<stdio.h>
#include<math.h>

int main() {

 int a, b, c;

 float s, area;

 printf("Enter the values of the sides of the triangle: \n");

 scanf("%d %d %d", &a, &b, &c);

 if ((a + b > c && a + c > b && b + c > a) && (a > 0 && b > 0 && c > 0))

 {

  s = (a + b + c) / 2.0;

  area = sqrt((s * (s - a) * (s - b) * (s - c)));

  if (a == b && b == c)

  {

   printf("Equilateral Triangle. \n");

   printf("Area of Equilateral Triangle is: %f", area);

  }

  else if (a == b || b == c || a == c)

  {

   printf("Isosceles Triangle. \n");

   printf("Area of an Isosceles Triangle: %f", area);

  }

  else

  {

   printf("Scalene Triangle. \n");

   printf("Area of Scalene Triangle: %f", area);

  }

 }

 else {
  printf("Triangle formation not possible");
 }

 return 0;
}