Respuesta :

znk

Answer:

80°

Step-by-step explanation:

∠CBE = 60°

∠BCE = ∠CED = 40°

∠BCE + ∠CBE + ∠BEC = 180°     Substitute values

∠BCE + 60° + 40° = 180°

∠BCE + 100° = 180°                     Subtract 100° from each side

∠BCE = 80°

shyvizzle05

Answer:

80 degrees

Step-by-step explanation:

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