For items 11-13, refer to the figure at the right.

11. What is the measure of <NET?
A. 20°
B. 30°
C.60°
D.90°
12. What is the measure of <SET?
A. 90°
C. 140°
B. 120°
D. 240°
13. What is the measure of NRA?
A. 60°
C. 180°
B. 120°
D. 360°

For items 14-15, refer to the figure at the right.

14. What is the measure of Z
<1 if LT measures 65°?
A. 22.5°
B. 32.5°
C.42.5°
D.52.5°
15. What is the measure of <2 if Al measures 1440?
A. 65°
C. 839
B. 720
D. 95°
​