flowchart :
Bahasa C :
#include<stdio.h>
#include<conio.h>
int main()
{
float keliling,l,luas;
printf(” Program Menghitung Luas Persegi Panjang\n”);
printf(” \n Keliling = “);
scanf(“%f”,&keliling);
printf(“\n Lebar = “);
scanf(“%f”,&l);
luas=keliling/l;
printf(“\n Luas = %.2f\n”,luas);
getch();
}