A А
E
1. Which of the following angles are adjacent?
AZ ABD and 2 EBC
C. ZDBE and 2 EBC
B
B. LABE and DBE
D.2 CBD and EBD
2. What is the common vertex of the angles in the figure?
A. point A B. point B
C. point C
D. point D
3. If LCBD and LDBA are adjacent angles, what is their common side?
A. ray BA B. ray BC
C. ray BD
D. ray DE
4. If mZCBD = 90 and m2DBE = 45, what is mLCBE?
A. 180°
B. 900
C. 600
D. 45°
5. The measure of one angle in adjacent angles is 36º. What is the measure
of the other if these angles are complementary?
A. 540
B. 640
C. 90°
D. 1440​