Which of the following statements are always true when a transversal crosses parallel lines? 1.Several congruent angles are formed. 2.Vertical angles are formed. 3.Complementary angles are formed. 4.Supplementary angles are formed. 5.Obtuse angles are formed.
Statements that are always true are:1. Several congruent angles are formed.4. Supplementary angles are formed.Other statements are not always true when a transversal crosses parallel lines.
