<b and <f are vertical angles alternate interior angles corresponding angles complementary angles <e and <h are: corresponding angles complementary angles vertical angles supplementary angles <d and <f are: corresponding angles alternate interior angles vertical angles same side interior angles If m<a = 120, then m<d = If m<e = 112, the m<a = If m<f = 70, the m<d = If < h = 3x and m< e = 105, then x = Find x 40 x = x Find x x x = 130 20 Find x 20 x = x 30 Find x 35 x = 100 x Find x x = 155 x 60 Find x 80 x = x+51 60 Find x 3x-6 x = 80 130 Find x 4x + 17 x = x+23 80 |