Let AB be parallel to EF as shown in the diagram. Find the angle measure of φ in the diagram below. (There is a typo, there should be a 45 degree angle in between AB and BC )
(A) φ = 45°
(B) φ = 50°
(C) φ = 90°
(D) φ = Cannot be determined

Let AB be parallel to EF as shown in the diagram Find the angle measure of φ in the diagram below There is a typo there should be a 45 degree angle in between A class=