Question

1. (2m) refer to the diagram above. given that l || m, correctly classify ∠4 and ∠5 and decide whether they are congruent or supplementary. a alternate interior angles; congruent b alternate exterior angles; congruent c vertical angles; congruent d corresponding angles; congruent e interior angles on the same side of the transversal; supplementary 11. (2m) if ___, then either a or b may be substituted for the other in any equation.

Explanation:

When two parallel lines are cut by a transversal, alternate interior angles are congruent. Given \(l\parallel m\), \(\angle4\) and \(\angle5\) are alternate interior angles. Alternate interior angles are non - adjacent angles that lie between two parallel lines and on opposite sides of the transversal.

Answer:

A. Alternate interior angles; congruent