To approach the runway,a pilot of a small plane must begin a 20 degree descent starting from a height of 3,760 ft above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach?
A. 10,993.5 mi
B. 2.1 mi
C. 2.0 mi
D. 0.8 mi

Question

To approach the runway,a pilot of a small plane must begin a 20 degree descent starting from a height of 3,760 ft above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach?
A. 10,993.5 mi
B. 2.1 mi
C. 2.0 mi
D. 0.8 mi

anonymous · Answer

Please help ;-;

misty1212 · Answer

HI!!

misty1212 · Answer

|dw:1431394707036:dw|

misty1212 · Answer

$$\tan(20^\circ)=\frac{3760}{x}$$ so $$x=\frac{3760}{\tan(20^\circ)}$$ then use a calculator

anonymous · Answer

Thank you so much. I was stuck on this and had no clue what else to do, lol.

misty1212 · Answer

at the end you are going to have to convert from feet to miles, but that is not difficult 
$$\color\magenta\heartsuit$$