B, D represent pairs of vertical angles.
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Other pairs may be congruent, but they are not vertical angles. The lines that look parallel must be assumed to be NOT parallel, because they are not marked in the diagram as being parallel. Thus ∠8 ≠ ∠12, for example.
Answer: A= -5
Step-by-step explanation:
If you divide.40 into 9 you will get 22.5 which is your answer
Answer:
the dot would be shaded in and from -6 go to the left
Step-by-step explanation:
Answer:
∠1 and ∠3
∠1 and ∠4
∠2 and ∠3
∠2 and ∠4
Step-by-step explanation:
Adjacent angles have a common side and a common vertex