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One of the same side angles of two parallel lines is 20° smaller than the other one. Find all angles. Please explain so I can understand in future situations. Thanks a MILLIONNN!!!!
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One of the same side angles of two parallel lines is 20° smaller than the other one. Find all angles.

Please explain so I can understand in future situations. Thanks a MILLIONNN!!!!

User Shartshooter
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6 votes
call the smaller angle as x, we have

x + (x + 20) = 180 \\ 2x + 20 = 180 \\ x = 80
so the smaller angle is 80° degree and the bigger one would be 100°
User Onexf
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