I now how to do this, but I need a clearer picture. lol
200/160=1.25
200+160=360/1.25/160=200.8
so your answer is 0.8
C. 110. This is because all triangles add up to equal 180*. So you add the two angles you have and subtract from 180.
If 2 lines are congruent alternate interior angles are congruent
