#include #include #include using namespace std; class Point { private: double x, y; public: //constructor Point(double = 0, double = 0); //don't need variables in prototypes //set and get fxns void setX(double arg); double getX(double arg); void setY(double); double getY(double); //useful methods void display(void); }; class Segment { private: Point A, B; public: //constructor Segment(Point = {}, Point = {}); //don't need 0,0 or 1,1 can be empty brackets //get&set void setA(Point arg); Point getA(Point arg); void setB(Point arg); Point getB(Point arg); //useful methods void displaySegment(); }; int main(void) { Point myPoint1(3, 4); Point myPoint2(5, 6); Segment mySegment(myPoint1, myPoint2); mySegment.displaySegment(); system("pause"); return(0); } //Class Method Implementations Point::Point(double argx, double argy) { x = argx; y = argy; } void Point::setX(double argx) { x = argx; } void Point::setY(double argy) { y = argy; } double Point::getX(double argx) { return (x); } double Point::getY(double arg) { return (y); } void Point::display(void) { cout << "(" << x << "," << y << ")" << endl; } Segment::Segment(Point arg1, Point arg2) { setA(arg1); setB(arg2); } void Segment::displaySegment() { cout << "Point A: "; A.display(); cout << "Point B: "; B.display(); cout << endl; double length(){ //Here is my trouble return sqrt(pow(B.getX() - A.getX(), 2) + pow(B.getY() - A.getY(), 2)); // returning the distance between the 2 points } } void Segment::setA(Point arg) { A = arg; } Point Segment::getA(Point arg) { return(A); } void Segment::setB(Point arg) { B = arg; } Point Segment::getB(Point arg) { return(B); }

Line Segment