A
tems # 6-10 refer to figure 2
D
Ripore
6. The measure of arc AB is 40° and arc DE is 60°. What is the measure of angle ACB?
A. 40°
B. 50°
C. 60°
D. 70°
7. If arc AB = 70° and arc DE =50°, what is the measure of angle ACD?
A. 60°
B. 90°
C. 100°
D. 120°
8. Angle DCE=45° and arc AB=70°, what is the measure of arc DE?
A. 20°
B. 30°
C. 40°
D. 50°
9. Given that DC=CB. If EC=4 and CA=16, what is the length of DC?
A7
B. 8
C. 9
D. 10
10. If EC=5, CA=12, and DC=4, what is the measure of CB?
A. 10
B. 11
C. 13
D. 15
