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AOB=40, COD=50

AOC=90, AOD=180
BOC=x
Are the two indicated angles adjacent? Why or why not?

A. Yes, the two indicated angles share a common ray.
B. Yes, the two indicated angles share a common vertex.
C. No, the two indicated angles do not share a common ray.
D. No, the two indicated angles do not share a common vertex.

1 answer

B. Yes, the two indicated angles share a common vertex.