3.2 notes
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Transcript of 3.2 notes
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 1
September 25, 2013
Sep 292:39 PM
Bellwork Identify the type of angles.
1. <5, <7
2. <3, <6
3. <1, <8
4. <15, <16
5. <13. <10
1 23
4
5 6
78
9 1011 12
13 1415 16
corresponding
alternate interior
alternate exterior
supplementary
vertical
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 2
September 25, 2013
Sep 292:46 PM
3.2 Parallel Lines & TransversalsPostulate 15: Corresponding Angles Postulate If 2 parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
2
6
<2 ≅ <6
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 3
September 25, 2013
Sep 301:44 PM
Theorem 3.1: Alternate Interior Angles Theorem If 2 parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.
45
<4 ≅ <5
Theorem 3.2: Alternate Exterior Angles Theorem If 2 parallel lines are cut by a transversal, then the pairs of alternate exterior angles are congruent.
1
8
<1 ≅ <8
Theorem 3.3: Consecutive Interior Angles Theorem If 2 parallel lines are cut by a transversal, then the pairs of consecutive interior angles are supplementary
3 5
<3 + <5 = 180
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 4
September 25, 2013
Sep 258:31 AM
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 5
September 25, 2013
Sep 301:59 PM
With a partner, complete Guided Practice #1 & 2.
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 6
September 25, 2013
Sep 302:00 PM
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 7
September 25, 2013
Sep 302:01 PM
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 8
September 25, 2013
Sep 302:05 PM
3.2 Parallel Lines & Transversals
HW pg. 157 #319 odds, 2533 odds, 35 ec 9
September 25, 2013
Sep 302:04 PM
HW pg. 157 #319 Odds2333 Odds35 Extra Credit