Question

(please zoom / zoom out if needed to see question. (: )

Answer 1

1 yard=3 ft, yeah? So, 
(60)/(600)=0.10
arctan (0.10) =
the plane must take off at an angle of at least 5.7106 degrees

Answer 2

Tan 0= 60/600
0=Tan-1 (1/10)
0=5.7 degrees

**Hope this helps you! If you have any further questions let me know! Hope you have a great day! :) **