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Module 8.2 Lesson 9 Angles Associated with Parallel Lines.notebook
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3x + 5x - 21
Module 8.2 Lesson 9Angles Associated with
Parallel Lines
HWp88 ALL
Do Now: 1. Find the value of each angle
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12.Homework
#12-14
Module 8.2 Lesson 9 Angles Associated with Parallel Lines.notebook
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13. Homework #12-14
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14.Homework
#12-14
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EXTERIOR ANGLES
INTERIOR ANGLES INTERIOR ANGLES
EXTERIOR ANGLES
EXTERIOR ANGLES
EXTERIOR ANGLES
Exterior Angles angles that are on the OUTSIDE of the parallel lines.
Interior Angles are angles that are on the INSIDE of the parallel lines.
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We also have Vertical Angles, Name them: ______________
We also have Supplementary Angles, Name them: _________
Alternate Interior Angles
Alternate Exterior Angles
Corresponding Angles
2 and 3, 1 and 4, 6 and 7, 8 and 5
1 and 2, 3 and 4, 5 and 6, 7 and 8, 1 and 3, 2 and 4
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1 2
3 4
5 6
78
s
r
t
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1 2
3 4
5 6
78
s
r
t
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a b
c d
e f
g h
transversal
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2. Olive Street crosses two parallel railroad tracks, as shown below (not drawn to scale).
Railroad Tracks
Olive Street
1230o
What is the measure of angle 1?
Show your work.
Answer ____________________ degrees
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5. In the diagram below, line MN and line OP are parallel, and transversal k intersects both lines.
k
M N
O P
1 2
3 4
5 6
7 8
Name two angles in the diagram that are congruent to 4.
Answer ___________________ and _____________________
On the lines below, explain how you determined these angles are congruent to 4.
____________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________
_____________________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
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