Respuesta :

Answer:

x = 22.5°

Step-by-step explanation:

DE // AB     ∠DEA ≅ ∠EAB = 2x

ΔEAB: interior angles  (180°-4x) + 2x + (180°-6x) = 180°

8x = 180°

x = 22.5°

Answer:

Step-by-step explanation:

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