1. Warm-up: 1. Name alternate interior angles
2. Name consecutive interior angles
3. Name corresponding angles
4. If m< 5 = 112, find m<2.
5. If m< 8 = 95, find m<2.

2. Find missing measures
If m<13 = 100 and m< 7= 110, find each
m< 6=
m< 5=
m< 8=

3. Name < 1 & <3

4. Name

5. Name < 1 & <2

6. Name < 1 & <2

7. Name < 1 & <8

8. Name < 4 & <8

9. Name < 4 & <5

10. Name < a & <g

11. Name < 2 & <4

12. Name < 4 & <7

13. Name < 2 & <8

14. Name < 11 & <16

15. Name < 1 & < 14

16. Name and find measure

17. Find the measure of x, y, and z

18. Quiz: Lines and Angles No talking during quiz
When finish P. 158 #1 – 11 skip #5

19. Warm-Up: Find x. 1. If m < 1 = 72, then m < 7 = x.
2. If m < 3 = 4x + 4
and m < 6 = 3x + 10.
3. If m < 8 = 9x - 10,
then m < 7= 5x + 50

20. Practice:
P. 158 #1 – 11 skip #5
DUE: Friday
Will be graded!

21. Angle Scramble Work in Pairs
Materials: scissors, glue, construction paper, & calculator
Show your work
Congruent vs. Supplementary
Special Angles
Congruent/
Supplementary
Visual/Diagram
Solve for x

22. Parallel Lines & Angles Poster
Section 1: Find Measure. (Choose 2)
1. If m<1 = 102º, find m<5.
2. If m<10 = 48º, find m< 6.
3. If m<9 = 113º, find m<2.
Section 2: Find x. (Choose 2)
1. If m<2 = 5x+2 & m<10 = x+18.
2. If m<13=7x+9 & m<10=2x+54.
3. If m<6 = 4x+6 & m<9 = 2x+74.
Section 3: Find x. (#1 & one other)
1. If m<12 = 11x -9.
2. If m<14 = 8x+50 & m<5 = 5x.
3. If m<6 = 3x-5 & m<10 = 4x+3.
Parallel Lines & Angles Poster

23. Check Quiz
3.1 & 3.2

24. Warm-Up: 2. Use figure, If m< ACD = 105º, find m< FCB. A B C D
If m< DCF = 5x + 4 and
m< EFC = 7x – 4. Find x.
Warm-Up: A
B C D
E F G H
1. Summarize what it means if two parallel lines are cut by a transversal?

25. Parallel Lines and Angles
Chapter 3 Review
Parallel Lines and Angles

26. Which lines are perpendicular?B. C. D.
Answer: C

27. Find the value of x.
A. 121
B. 31
C. 149
D. 59
Answer: D
31º xº

28. What is the relationship between < 4 and <7?
A. Alternate Interior
B. Alternate exterior
C. Corresponding
D. Consecutive interior
E. None of these
Answer: E

29. What is the relationship between < 1 and <8?
A. Alternate Interior
B. Alternate exterior
C. Corresponding
D. Consecutive interior
E. None of these
Answer: B

30. Which are alternate exterior angles?
A. < 1 and < 12
B. < 6 and < 15
C. < 4 and < 15
D. none of these
Answer: C

31. Describe the relationship between <CAF and <DFA.
A. Alternate Interior
B. Alternate exterior
C. Corresponding
D. Consecutive interior
E. None of these
Answer: A L
A C
D F K

32. If two parallel lines are cut by a transversal, then consecutive interior angles are __________.
A. congruent
B. acute
C. complementary
D. supplementary
Answer: D

33. Which are same-side interior angles?
A. < 1 and < 8
B. < 2 and < 4
C. < 3 and < 5
D. < 4 and < 5
Answer: C

34. Describe the relationship between <CBE and <DEF.
A. Alternate Interior
B. Alternate exterior
C. Corresponding
D. Consecutive interior
E. None of these
Answer: C
H C B
G E D F

35. Find x.
A. 90º
B. 53º
C. 127º
D. 43º
Answer: C

36. In the figure below, m< ABC = 102º
In the figure below, m< ABC = 102º. Which of the following statements is false?
C D
A B E F
H G
A. m<GEF = 102º
B. <ABH and <AEG are corresponding angles
C. <HBF and < AED are alternate exterior angles
D. m< DEF = 78º
Answer: C

37. If two parallel lines are cut by a transversal, the corresponding angles are __________.
A. congruent
B. acute
C. complementary
D. supplementary
Answer: A

38. What is the measure of < FBC ?
C D
A E
B F
124º
H G
A. 56º
B. 134º
C. 124º
D. 34º
Answer: A

39. Find m< 1 in the figure below.
A. 120º
B. 130º
C. 60º
D. 30º
Answer: C 1

40. Which angle is not necessarily congruent to <4?
B. <7
C. <15
D. < 8
Answer: D

41. Find x.
A. 70º
B. 180º
C. 30º
D. 130º
Answer: D

42. Find x, y, and z. A. 70º, 70º, 50º B. 70º, 110º, 35º C. 110º, 70º, 35º
Answer: D

43. The measure of angle 3 is 86º. What is the measure of angle 5?
B. 104º
C. 94º
D. 75º
Answer: C

44. Lines l and m are parallel
Lines l and m are parallel. _________ because vertical angels are congruent.
A. Angle 1 is congruent to Angle 3…
B. Angle 2 is congruent to Angle 3…
C. Angle 1 is congruent to Angle 2...
D. Angle 2 is congruent to Angle 4...
Answer: C

45. Find the m<2.
Answer:
X = 15
<m 2 = 50