CPM Homework Banner

Home > CCG > Chapter 11 > Lesson 11.2.3 > Problem 11-120

11-120.

Copy the diagram at right onto your paper. Use the process from problem 11‑111 to find the measure of . Show all work.  

2 intersecting chords, divides circle into 4 arcs, labeled as follows: left, x, right, 21 degrees. Angle on left side of intersection, labeled, 62 degrees.

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