Q:

Two parallel lines are crossed by a transversal.Horizontal and parallel lines b and c are cut by transversal a. At the intersection of lines b and a, the bottom right angle is 50 degrees. At the intersection of lines c and a, the top left angle is y degrees.What is the value of y?y = 30y = 50y = 110y = 130

Accepted Solution

A:
Answer:Option B) y = 50Step-by-step explanation:We are given the following information:Two parallel lines are crossed by a transversal. The attached image shows the intersection of transversal and the angles.As clear from the image, the given pair of angles form alternate interior angles.If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent or equalThus, y = 50 degree