-1 is the answer or your answer is gonna be false
Answer:
transversal
Step-by-step explanation:
1. In geometry any line which passes through or intersects 2 or more line are called a transversal.
2.Transversal are generally used in geometry of Euclidean plane to decide whether the given set of lines through which transversal passes are parallel or not.
61+58=119
180-119=61=angle 2
180-61=119=angle 4