aarushnarsina aarushnarsina

13-09-2020
Mathematics

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The screenshot is the question.

The screenshot is the question class=

Respuesta :

alankabisov0225 alankabisov0225

13-09-2020

Answer:

23

Step-by-step explanation:

∠ABE=∠BEF=4x (AC║EF)

∠DBE=5x

∠DBF=180=∠DBE+EBF=5x+65

5x=180-65

x=23

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