11.1 Review Worksheet (continued)
11.1.2 Arcs and Chords Use the following information for Exercises 8-13. The key shows the number of medals won by U.S. athletes at the 2004 Olympics in Athens. Find each of the following to the nearest tenth. 8. m ∠ ADB
Medals
35 39 29
Gold Silver Bronze
C
A
D
B
9. m ∠ ADC
11. BC m
12. ACB m
13. CAB m
10. AB m
Find each measure. 14. MP m
16. WT m
S
L
K
M
W
100˚ 55˚
J
X
T
U
28˚
Q
N
17. WTV m
15. QNL m
P
V
≅ JK LM JK . Findm .
18.
19.
≅ ≅ ∠ A B CD EF , and . Findm . CAD
C
y ˚
(10 x – 63)˚
L
K
68˚
A
4 y ˚
M
D
J
F
B
7 x ˚
E
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