12.5 =
13. 24 =
14.23=
15. 22=
A. 720
A. 72°
A. 720
A. 720
B. 98°
B. 989
B. 989
B. 98°
C. 102°
C. 102°
C. 102°
C. 102°
D. 1089
D. 108°
D. 108°
D. 108°
![125 13 24 142315 22A 720A 72A 720A 720B 98B 989B 989B 98C 102C 102C 102C 102D 1089D 108D 108D 108 class=](https://ph-static.z-dn.net/files/d13/2d616ea5adcc13ea8cf0c13aec02750e.jpg)