C++ Program To Find Radius Of A Circle - C++ Codes - Ilm Ki Dunya

 

#include <iostream>
using namespace std;
int main ()
{
    double rad, area;
    float pie=3.14;
    char ch;
    
    do{
        cout<<"Enter radius of circle: "; cin>>rad;
        area=2*pie*(rad*rad);
        cout<<"Area of circle is: "<<area<<endl;
        
        cout<<"Do you want to reeat action (y/n): "; cin>>ch;
    } while (ch!='n');
    
    return 0;
}