#include<stdio.h>
#include<conio.h>
#include<math.h>
void main ()
{
int s1,s2,s3;
float s,a,area;
printf("Enter three sides of triangle:\n");
scanf("%d%d%d",&s1,&s2,&s3);
if((s1+s2)>s3&&(s2+s3)>s1&&(s3+s1)>s2)
{
if(s1==s2&&s2==s3) printf("Equilateral Triangle\n");
else if(s1==s2||s2==s3||s3==s1) printf("Isosceles Triangle\n");
else printf("Scalene Triangle\n");
s=(s1+s2+s3)/2.0;
printf("Semiperimeter :%f\n",s);
a=s*(s-s1)*(s-s2)*(s-s3);
area=pow(a,0.5);
printf("Area of Triangle : %f\n",area);
}
else
printf("Triangle does not exist !!!");
getch();
}