AriannaD7
AriannaD7
11-10-2018
Mathematics
contestada
Please help me with this
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JanB23
JanB23
11-10-2018
They are same side exterior angles meaning they are supplementary and supplementary means they add up to 180 so.....
2y+34+74=180
2y+108=180
2y=72
y=36
Substitute 36: 2(36)+34=106
106+74=180
180=180
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