charlizeproxy8663
charlizeproxy8663 charlizeproxy8663
  • 03-11-2020
  • Mathematics
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I need help with this question! I don’t understand this mess at all.

I need help with this question I dont understand this mess at all class=

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k3il
k3il k3il
  • 03-11-2020

so line ab is parrallel and so is xy it is asking you to prove that angle 8 + angle 9 = 180

so since they are parrallel 8 is equal to 12 or you could do 9 is equal to 5 then you can see that they sit on the same straight line so angle9 + angle8 = 180 degrees

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