a. Instead of specifying a rectangle's location by listing the position of two diagonal corner points, what other attributes could be used?
b. What other attributes, besides length and width, could be used to describe a rectangle to be drawn on a color monitor?
c. Describe a set of attributes that could be used to define circles to be drawn on a black-and-white monitor.
d. What attributes would you add to those selected in Exercise 2c if the circles are to be drawn on a color monitor?