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zysi [14]
3 years ago
14

I need help with Geometry

Mathematics
2 answers:
White raven [17]3 years ago
7 0

Answer:

123

Step-by-step explanation:

180-57 ( cointerior angle because opposite angle are parallel )

=123

plz make me brainliest

CaHeK987 [17]3 years ago
4 0

Answer:

123°

Step-by-step explanation:

m\angle CDA +m\angle BCD = 180\degree (Adjacent angles of a parallelogram)

57\degree +m\angle BCD = 180\degree

m\angle BCD = 180\degree - 57\degree

m\angle BCD = 123\degree

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