B. Triangle GMA is a 30°- 60°-90° triangle.
![B Triangle GMA Is A 30 6090 Triangle class=](https://ph-static.z-dn.net/files/dcc/284ca1e5b6b27c7f7640fceda81f3ed8.jpg)
1. a = 52 m s = 78 h
2. a = 36 m s = 54 h
3. a = 60 m s = 90 h