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antiseptic1488 [7]
3 years ago
9

Question on image. will report answers out of question. Thank you

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0

Answer:

84°

Step-by-step explanation:

< DEB = ½× (31+ 137) = ½× (168) = 84°

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We divide through by negative 1, in the first part of the inequality and reverse the sign to get,

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Divide through by 2 to obtain,

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