#include <iostream> #define PI 3.1415926535 using namespace std int main() double radius, area, circumference cout << "Enter the radius of the circle: " cin >> radius area = PI * radius * radius circumference = 2 * PI * radius cout << "Area of the circle: " << area << endl cout << "Circumference of the circle: " << circumference << endl return 0 }
#define PI 3.1415926535
using namespace std
int main()
double radius, area, circumference
cout << "Enter the radius of the circle: "
cin >> radius
area = PI * radius * radius
circumference = 2 * PI * radius
cout << "Area of the circle: " << area << endl
cout << "Circumference of the circle: " << circumference << endl
return 0
}