Angles and Parallel Lines

1
Angles and Parallel Lines
COURSE 3 LESSON 8-2
In the diagram below, m 5 80º, m 6 80º,
and m 7 80º. Explain why p and q are parallel
and why s and t are parallel.
8-2
2
Angles and Parallel Lines
COURSE 3 LESSON 8-2
Use the diagram to answer the questions. 1.
Classify 4 and 7 as 2. Classify 2 and
8 as alternate interior angles, alternate
interior angles, corresponding angles,
corresponding angles, or neither. or
neither. 3. If a b and m 8 80,
4. Suppose m 5 100 and find m 4. m
3 100. What can you conclude about line a
and line b?
neither
alternate interior angles
80
a b
8-2