View Code of Problem 24

#include<stdio.h>
#include<math.h>
main()
{
float a,b,c,p,S;
scanf("%f%f%f",&a,&b,&c);
p=(a+b+c)/2;
S=sqrt(p*(p-a)*(p-b)*(p-c));
printf("%.2f",S);
}

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