3 years ago

Hey good morning please help

1 answer:

4 0

its D and im very very sorry if im incorrect

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Elena L [17]

Answer:

$m\angle ECB+m\angle EFB=180$

$m\angle CDB\cong m\angle EDF$

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Step-by-step explanation:

From the diagram, quadrilateral BCEF is a cyclic quadrilateral.

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