### Home > GC > Chapter 11 > Lesson 11.2.3 > Problem 11-104

11-104.

. Show all work.

In problem 11-111, it was established that the vertical angles are equal to the average of the two arcs.

Therefore

11-104.

. Show all work.

In problem 11-111, it was established that the vertical angles are equal to the average of the two arcs.

Therefore