Respuesta :

∠4 = 90  (verticallyopposite)
∠2 = 68 (verticallyopposite)

∠6 = ∠2 + ∠4 (exterior angles = sum of opposite angles)

∠6 = 68 + 90 = 158°

Answer: 158°

Answer:158

Step-by-step explanation:∠6 = 68 + 90 = 158°

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