Please fill in the parts of the definition of the Rectangle class that are missing. C++ Code

class Rectangle

{

private:

float length; //length

float width; //width

public:

Rectangle(); //default constructor

Rectangle(float); //assignment constructor

void get_rectangle() //obtains data from user and initializes rectangle

void set_rectangle(float, float); //assigns received data to a rectangle

void display_rectangle(); // displays the data fields of a rectangle

float find_area(); //computes area of the rectangle

float find_circumference(); //computes the circumference

};

Rectangle :: Rectangle()

{

}

Rectangle :: Rectangle(float 1, float w)

{

}

void Rectangle :: get_ rectangle()

{

}

void Rectangle :: set_ rectangle (float a, float b)

{

}

float Rectangle :: find area()

{

}

float Rectangle :: find_circumference()

{

}

void Rectangle :: display_rectangle()

{

}