Write a Program that reads radius of circle and prints the circle's diameter?

Answer 1

#include

using std::cin;
using std::cout;
using std::endl;

int main()
{
double radius = 0;
cout << endl << "Enter radius: ";
cin >> radius;

cout << endl << "Diameter is: " << (2*radius) << endl;

system("PAUSE");
return 0;

}