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Help me thank you please explain as well
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3 votes
Help me thank you please explain as well

Help me thank you please explain as well-example-1
User Nicolas Joseph
by
7.8k points

1 Answer

5 votes

Answer:

111°

Step-by-step explanation:

Based on the F angles theorem, ∠ABH = ∠BFE = 69°,

and based on BE ≅ BF, ∠BEF must also be 69°.

∠DEB is supplementary to ∠BEF, so

∠DEB = 180 - 69 = 111.

User Pedram Afra
by
8.8k points
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