Answer:
30√85 or 276.5863 meters
Step-by-step explanation:
Use pythag theorom. a^2+b^2=c^2
180^2+210^2=c^2
c=276.5863
1. 3.33333333333
2. -1.3
3. 2.61904761905
4. 2.00833333333
B. 36