Two parallel lines are cut by a transversal.The measure of two interior angles on the same side of the transversal are represented by y and 3y + 20.find the measure of the larger angle.
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so,y+3y+20=180
:4y=160
:y=40
:longer angle=120+20=140
140 is the answer
:4y=160
:y=40
:longer angle=120+20=140
140 is the answer
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