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3 years ago

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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