fredbearp959
fredbearp959 fredbearp959
  • 30-10-2020
  • Mathematics
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Is my calculation for finding the measure of the angle is right?

Is my calculation for finding the measure of the angle is right class=

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marin2 marin2
  • 30-10-2020

Answer:

Yes

Step-by-step explanation:

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Gaal Gaal
  • 30-10-2020
Yes it is, as proof, if we subtract 9 from 109 and 89, we get 100 and 80, and if we add them up, we get 180, which is the angular value of a straight line
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