// program to get area of triangle using perimeter concept

#include<stdio.h>

#include<conio.h>

#include<math.h>

#include<math.h>

void main()

{

float a,b,c;

float s,area,peri;

printf(“enter sides of triangle\n”);

scanf(“%f%f%f”,&a,&b,&c);

s=a+b+c;

s=a+b+c;

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

printf(“the area is=%f\n”,area);

getch();}