I have figured out this assignment, but I am having a
hard time figuring out the extra credit, Thanks!
Creating a Rectangle class
We have created a representation of a rectangle in C++ and
extended it to create multiple representation's of rectangles.
Classes can simplify that process considerably. In this assignment,
your task is to convert the representation of a rectangle we
created earlier in the semester to a Rectangle class. The Rectangle
class shall consist of the following:
The...