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Mathematics 7 Online
OpenStudy (anonymous):

given: a ll b measure angle 1= (x+3y) measure angle 2= (2x+30) measure angle 3= (5y+20) Find measure angle 1.

OpenStudy (anonymous):

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OpenStudy (mertsj):

angle 1 + angle 2 = 180 Angle 1 = angle 3

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