Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.
Answer:
You could cut it up into pieces and create and the the sides into 4 extra edges, 2 of them being the same as each other and the other 2 of them being the same as each other.
B. (4, 4) is a solution to the equation.