twilight3
twilight3 twilight3
  • 17-04-2017
  • Mathematics
contestada

need help can someone please help me with this problem

need help can someone please help me with this problem class=

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eagerreader
eagerreader eagerreader
  • 17-04-2017
∡DBE=90-∡EBF=90-51=39°
      ∡DBE and ∡EBF must add to 90 because ∡DBF is vertical from ∡ABC a 90° angle

∡GBC is 39°
      ∡GBC is vertical to ∡DBE; verticla angles are =

Angles on a line add to 180°. Subtract the measure of ∡ABC to find meausre of ∡ABD
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