Answer:
It's value is less than 0
Step-by-step explanation:
Answer:
Angle 4 and Angle 1 are supplementary to each other.
Step-by-step explanation:
A line is 180°. Because angle 4 and angle 1 and right next to each other and they share a straight line, both of their angles should add up to 180°, making these two angles supplementary.
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Answer:
I think it is B, AB or CD and AB || CD
Step-by-step explanation: