# Turbo C + + program to calculate the area, perimeter and diagonal rectangle

In this article, I will discuss about creating a script to calculate the area, perimeter and diagonal of a rectangle by using Turbo C + +.

``````
#include
void main ()
{
printf ("COUNTING RECTANGLE\nBy GALLIH FURMAN NUGRAHA\nTI-S1 C 2011\n\n\n");
int p;
int l;
float luas;
float keliling;
float diagonal;
int hitung;
printf ("to calculate the area of ​​select (1). \ n");
printf ("to calculate the circumference of select (2). \ n");
printf ("to calculate the diagonal choose (3). \ n \ n \ n");
printf ("enter the choice:");
switch (hitung)
{
case 1 : printf ("\n\n");
printf ("calculate the area\n");
printf ("Panjang :");
scanf ("%d",&p);
printf ("Lebar :");
scanf ("%d",&l);
luas = p*l;
printf ("area of ​​rectangle : %f\n",luas);
break;
case 2 : printf ("\n\n");
printf ("calculate the perimeter\n");
printf ("Panjang :");
scanf ("%d",&p);
printf ("Lebar :");
scanf ("%d",&l);
keliling = 2*p+2*l;
printf ("arround the rectangle : %f\n",keliling);
break;
case 3 : printf ("\n\n");
printf ("calculate the diagonal\n");
printf ("Panjang :");
scanf ("%d",&p);
printf ("Lebar :");
scanf ("%d",&l);
diagonal = p*p+l*l;
printf ("diagonal rectangle : %f\n",diagonal);
break;
default : printf ("The number you entered is incorrect");
}
}

``````
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