Alıntı:Alan = 4πr2
Hacim=(4/3)πr3
#include <iostream>
using namespace std;
int main()
{
setlocale(LC_ALL,"Turkish"); //Türkçe karakter
double r,alan,cevre,hacim;
cout< <"Yarıçapı girin : ";
cin>>r;
alan=4*3.14*r*r;
hacim=(4*3.14*r*r*r)/3;
cout< <"Alan = "<<alan<<endl;
cout<<"Hacim = "<<hacim;
}