S
A
P
6
2
*
4
B
Use the figure shown for Exercises 1-8.
1. Is line t parallel to lines?
2. Is line p parallel to line r?
3. Which lines are perpendicular to line t?
4. Which lines are perpendicular to line s?
5. What is the length of AB?
7. What is the midpoint of AB?
20
6. What is the slope of CD?
8. What is the midpoint of CD?