Lines $p$ and $q$ graphed in problem 2-105 form a triangle with the $x$-axis.  

1. How can you describe this triangle? In other words, what is the most appropriate name for this triangle? How do you know?

   Hint (a):

   What do you notice about the slopes of the lines?

   

2. Find the area of the triangle.

   Hint (b):

   $\text{Area = }\frac{1}{2}(\text{base})(\text{height})$

3. What is the perimeter?

   Answer (c):

   The perimeter is $\approx23.4$ units.