izybell8974 izybell8974
  • 22-06-2018
  • Mathematics
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Ray ad is the angle bisector of angle abc. m∠abc is 168° what is the measure of ∠dbc?

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calculista
calculista calculista
  • 01-07-2018
the correct question is
Ray bd is the angle bisector of angle abc. m∠abc is 168° what is the measure of ∠dbc?

we know that
if 
bd is the angle bisector of angle abc
then 
m∠abd= m∠dbc
and
m∠abd=(1/2) m ∠ abc
m∠abd=(1/2)*(168°)-------> m∠abd=84°

therefore
m∠dbc=84°

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