// Area program: using area function that returns nothing #include using namespace std; void area(double,double); // receives length & width, prints area int main(){ double length, width; cout<<"Enter length: "; cin>>length; cout<<"Enter width: "; cin>>width; area(length, width); // calls function area system("Pause"); return 0; } // main void area(double l, double w) { // print the area given l and w double a; a=l*w; cout<<"The area is "<