8
RCMultiple Choice
Introduction to Transformations — Cumulative exam
Question 8 • AZ-Common Core Geometry A
Triangle B C D is shown. Line D B extends through point A to form exterior angle A B C. Angle B D C is 67 degrees and Angle C D B is 60 degrees.
Answer
A
m∠ABC = 60°B
m∠ABC = 67°C
m∠ABC = 120°D
m∠ABC = 127°