5
QuizMultiple Choice
Lesson 1: Linear Pairs and Vertical Angles
Question 5 • 26/27 GEOMETRY A
Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)°Prove: x = 24
Answer
A
vertical angles are congruentB
substitutionC
definition of congruencyD
definition of equality