#include <iostream> using namespace std; double rect_area(double length, double width) { return length * width; } double rect_area(double length) { return length * length; } int main() { cout << "10 x 5.8 rectangle has area: "; cout << rect_area(10.0, 5.8) << '\n'; cout << "10 x 10 square has area: "; cout << rect_area(10.0) << '\n'; return 0; }