Question

If mDBC = 65º, what is the relationship between AD and CD?

Answer 1

Answer:   [B]:  "not enough information [provided]" .
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 {since we are not given a diagram; and, for that matter, we are not given ANY informatioabout the where "Point A" is located—AT ALL; or for that matter, ANY MENTION WHATSOVER about "Point A"—within THIS VERY QUESTION —
   {not to mention, for instance, the fact that there is no information as regard to any angle containing "Point A" in relation to the [particular angle in THIS VERY QUESTION — (which does NOT mention any angle containing "Point A" {as aforementioned/as can be inferred}.
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    Note:  By the way, thank you for providing "answer choices".  Otherwise, this question would be an "improper question" for "incomplete question content"/ or perhaps: "question is illogical".
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I hope that my explanation —albeit lengthy and superfluous — makes sense. _________________________________________
If you need furhter explanation, Please reply to this answer.  Best wishes!
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Answer 2

Answer:

1.c

2.c

3.a

4.c

5.d

6.c

7.a

8.b

9.?

10.reflexive property of congruence and hinge theorem.