Answer:
16 is the answer just trying to hit 20 characters
21.90890230 or 21.91 (I'm assuming you're saying 120/ √30)
Step-by-step explanation:
sam will climb 60m
11 degrees
Starting from -8 and counting upwards towards 0 then on to 19
-8 , -7 , -6 , -5 , -4 , -3 , -2 , -1 , 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19
