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  • 30-10-2017
  • Mathematics
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if 2=27,what is the measure of the supplement of gbc

if 227what is the measure of the supplement of gbc class=

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mathstudent55
mathstudent55 mathstudent55
  • 30-10-2017
<GBC and <2 are vertical angles, so they are congruent.
m<GBC = m<2 = 27
Supplementary angles have measures that add to 180 deg.
The supplement of <GBC measures 180 - 27 = 153 deg.
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