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13 votes
13 votes
Point D is in the interior of

User Andypotato
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2 Answers

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21 votes
m∠ABC = 180°
m∠ABD + m∠DBC = m∠ABC
User MjZac
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21 votes
21 votes

Answer:

Angle ABC,

Explanation:

Please give more detail to your question, this doesn't help at all...

User Mohammad Nikdouz
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