#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
clrscr();
int s,a,b,c;
float area;
printf("Enter the value of a, b and c ::");
scanf(“%d%d%d”,&a,&b,&c);
s=(a+b+c)/2;
area=s*(s-a)*(s-b)*(s-c);
area=sqrt(area);
printf("Area of triangle is %f",area);
getch();
}