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or
Look at this diagram:

S
T
U
V
W
X
Y
Z


If 
TV
 and 
WY
 are parallel lines and 
mWXZ
= 40°, what is 
mYXZ
?

°
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Not feeling ready yet? These can help:
Skill IconY.8Transversals of parallel lines: name angle pairs
Skill IconY.5Find measures of complementary, supplementary, vertical, and adjacent angles