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5 votes
Question on image.

will report answers out of question. Thank you

Question on image. will report answers out of question. Thank you-example-1
User Steen
by
5.6k points

1 Answer

4 votes

Answer:

84°

Explanation:

< DEB = ½× (31+ 137) = ½× (168) = 84°

User Justin Lee
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5.3k points