johnyrockets1223
johnyrockets1223
08-07-2018
Mathematics
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Please help me thanks
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gmany
gmany
08-07-2018
Look at the picture.
The sum of measures of the angles in a triangle is equal 180°.
Therefore we have the equation:
[tex]2y^o+50^o=180^o\ \ \ |-50^o\\\\2y^o=130^o\ \ \ |:2\\\\y^o=65^o[/tex]
Answer: 65°
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