ItzelPosada
ItzelPosada ItzelPosada
  • 10-03-2017
  • Mathematics
contestada

Can you guys please help me !!!!!!!!! Thanks in advanced

Can you guys please help me Thanks in advanced class=

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apologiabiology
apologiabiology apologiabiology
  • 10-03-2017
the exterior angle is equal to the sum of the other 2 interior angles

so ACD=19+121=140 degrees
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