In the illustration (in the link below), suppose l ∥ m and ∠1 = 55°. What are the measures of the other angles?

www.webassign.net/ewenmath10/12-1-013.gif

∠2 = °
∠3 = °
∠4 = °

2 answers

angle2 is 55 degrees because it is vertically opposite angle 1. Angles 2 and 3 are corresponding thus making them the same. And angle 4 is supplementary to angle 3 thus making it 180 degrees - 55 degrees : )
thank you!