EX1/
#include <stdio.h>
#include <conio.h>
#define PI 3.14
void main()
{
clrscr();
float r,d,c,s;
printf ("donner le rayon:");
scanf("%f",&r);
d=2*r;
c=2*PI*r;
s=PI*r*r;
printf("le diamŠtre est:%f\n",d);
printf("la circonf‚rence est:%f\n",c);
printf("la surface est:%f\n",s);
getch();
}
ex2:
#include <stdio.h>
#include <conio.h>
#define PI 3.14
void main()
{
clrscr();
float r,d,c,s;
printf ("donner le rayon:");
scanf("%f",&r);
d=2*r;
c=2*PI*r;
s=PI*r*r;
printf("le diamŠtre est:%f\n",d);
printf("la circonf‚rence est:%f\n",c);
printf("la surface est:%f\n",s);
getch();
}
ex4:
#include<stdio.h>
#include<conio.h>
#define tva 0.2
void main()
{
int n;
float ht,ttc;
clrscr();
printf("entrer le prix unitaire :\n");
scanf("%f",&ht);
printf("entrer la quantit‚ :\n");
scanf("%d",&n);
ttc=((ht*n)*(1-tva));
printf("le prix total ttc est %f ",ttc);
getch();
}