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3 votes
The screenshot is the question.

The screenshot is the question.-example-1

1 Answer

3 votes

Answer:

23

Explanation:

∠ABE=∠BEF=4x (AC║EF)

∠DBE=5x

∠DBF=180=∠DBE+EBF=5x+65

5x=180-65

x=23

User Xenvi
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