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


2 intersecting chords divide circle's circumference into 4 arcs, labeled as follows: left, x, right, 21 degrees. Angle on left side of intersection, labeled, 62 degrees.Copy the diagram at right onto your paper. Use the process from problem 11-97 to find the measure of . Show all work.  

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