transversals edmodo 2013 14
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POD 19 AugWhat is:1.2.3.4. m
5. Solve3x + x + 20 = 180
A
B
C
DE
GF
H
. . .
...
.
.
22o
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Two angles are complementary if they add up to 90 degrees
Two angles are supplementary if they add up to 180 degrees
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In your notes, find the first set of parallel lines cut by a transversal.
How many angles were formed?
c
b
d
e f
g h
a
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Corresponding angles are in the same position when you slide the angle down the transversal. Corresponding angles are congruent ()
c
b
d
e f
g h
a
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Alternate interior angles are inside the parallel lines and on alternate sides of the transversal. Alternate interior angles are congruent ()
c
b
d
e f
g h
a
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Alternate exterior angles are outside the parallel lines and on alternate sides of the transversal. Alternate exterior angles are congruent ()
c
b
d
e f
g h
a
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Vertical angles share a vertex and are on opposite sides. Vertical angles are congruent ()
c
b
d
e f
g h
a
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1150 2
3 4
5 6
7 8
p
n
Line p || line n
Find the measure of angles 2 through 8.
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