1. 1.) In the following figure, find the value of x if m || n.
65 m n t 20 A
110/3 B 65 C 85 D

2. m1 and a corresponding angle
2.) For two parallel lines cut by a transversal, m1=81. For which pair of angle measures is the sum the least?
m1 and a corresponding angle A
m1 and a same-side interior angle B
m1 and its supplement C
m1 and its complement D

3. For problems 3 and 4 consider the following figure.1 3 2 5 6 C D

4. 3.) Give the reason why ARD and 6 are supplementary.
Corresponding Angles Postulate A
Consecutive Angles Theorem B
Alternate Interior Angles Theorem C
Alternate Exterior Angles Theorem D

5. 4.) Give the reason why 15.
Corresponding Angles Postulate A
Consecutive Angles Theorem B
Alternate Interior Angles Theorem C
Alternate Exterior Angles Theorem D

6. 5. ) Consider the diagram below
5.) Consider the diagram below. If m3 = (45x + 15) and m5 = (25x + 25), what’s the difference in the measurement of these two angles? 1 5 4 2 3
30
90 A C
60
100 B D

7. 6.) Consider the diagram below. Find mA if m || n.
145 m
40 n
185
75 A C
105
65 B D

8. 7.) In this diagram, l || m. Find 2 x + y.75 80 m l
Answer: _______________

9. 8.) In the diagram, l || m || n. Find x + y55 60
5x + 4y
5x + 5y m n l q p
Answer: _______________