AreaOfTriangle.c

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<stdlib.h>
int main(int argc,char *argv[]){
int base=atoi(argv[1]),height=atoi(argv[2]);
float ans= 0.5 * base * height;  

printf("%0.2f\n",ans);
 return 0;
}