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Menghitung keliling persegi panjang


#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
class pp{
private:
int p,l;
public:
void masuk();
tampil();
};
void pp::masuk(){
cout<<"masukkan panjang= ";cin>>p;
cout<<"masukkan lebar  = ";cin>>l;
}
pp::tampil(){
cout<<"keliling persegi panjang "<<p<<"x"<<l<<" = "<<2*p+2*l;
}

int main(int argc, char** argv) {
pp persegi;
persegi.masuk();
persegi.tampil();
return 0;
}