allymedias19 allymedias19

28-02-2024
Mathematics

contestada

Unghiurile AOB și BOC sunt adiacente, iar OM respectiv ON sunt bisectoarele lor. Se știe că ∢AOB = 30°+ ∢BOC și ∢MON = 75°. a) Calculați măsurile unghiurilor AOB și BOC; b) Demonstrați că bisectoarea unghiului CON este perpendiculară pe dreapta OM.

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