Meghitung Luas Lingkaran Dengan menggunakan Nilai Balik

Posted by Budi Arieyanto | Posted in | Posted on 04.35

#include <iostream.h>
#include <conio.h>
#include <iomanip.h>

double luas(double jari, double phi);
void main()
{
 int jari; const float phi=3.14;
 {
  cout<<"Masukan Jari : ";cin>>jari;
  cout<<"luas = "<<phi<<" * "<<jari<<" * "<<jari<<" = "<<luas(phi,jari)<<" cm"<<endl;
  }
 getch();
}
 double luas(double jari, double phi=3.14)
 {
  return (phi*jari*jari);
  }

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