Abomb1
Abomb1 Abomb1
  • 22-02-2018
  • Mathematics
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help me plz need smart people

help me plz need smart people class=

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Аноним Аноним
  • 22-02-2018
The answer to 9 is 87.

The answer to 10 is x=91, y=89, and z=31

Mark as branliest plz

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Banabanana
Banabanana Banabanana
  • 22-02-2018
9
In a triangle, the three interior angles always add to 180°
x = 180 - 28 - 65 = 87° 
(Choice B)

10
x = 180 - 51 - 38 = 91°
y = 180 - x = 180 - 91 = 89°
z = 180 - 89 - 60 = 31°
(Choice D)
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