iammunch iammunch
  • 23-09-2018
  • Mathematics
contestada

I need help solving this Geometry problem. Thanks

I need help solving this Geometry problem Thanks class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-09-2018

ΔABC is an obtuse triangle

∠ ABC = ∠ABD + ∠ DBC = 60° + 40° = 100°

thus ∠ ABC = 100° is an obtuse angle

hence ΔABC is an obtuse triangle


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