shayshay091 shayshay091
  • 23-03-2017
  • Mathematics
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How do I find the measurement for the angle with the question mark

How do I find the measurement for the angle with the question mark class=

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SoccerGirl920
SoccerGirl920 SoccerGirl920
  • 23-03-2017
It is 20 degrees because it is the same angle as the one below and to the left of it. It is called congruent angles.
Hope this helped!
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CrazyAboutYa
CrazyAboutYa CrazyAboutYa
  • 23-03-2017
So we know that a triangle equals 180 degrees. You can subtract 20 from 35 and get 15. !5 would be the missing value for the first triangle. Also since you have a vertical angle, missing angle would be 15 as well. Now you can do 180-156 because it is linear. You would get 24. And now for this step, I think you subtract 24-15 to get the missing value which is 9.
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