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.

Find missing measures 1 2 3 4 5 6 7 8 9 10 11 12 13 14 If m<13 = 100 and m< 7= 110, find each m< 6= m< 5= m< 8=

Name < 1 & <3

Name

Name < 1 & <2

Name < 1 & <2

Name < 1 & <8

Name < 4 & <8

Name < 4 & <5

Name < a & <g

Name < 2 & <4

Name < 4 & <7

Name < 2 & <8

Name < 11 & <16

Name < 1 & < 14

Name and find measure

Find the measure of x, y, and z

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

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

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

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

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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Check Quiz 3.1 & 3.2

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?

Parallel Lines and Angles Chapter 3 Review Parallel Lines and Angles

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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