Suppose you live 6.9 miles from a hill. Fr
om your home you see a plane directly above the hil
l. Your angle of
elevation to the plane is 24°. What is the plane’s
altitude?

Question

Suppose you live 6.9 miles from a hill. Fr
om your home you see a plane directly above the hil
l. Your angle of
elevation to the plane is 24°. What is the plane’s
altitude?

anonymous · Answer

|dw:1399639202434:dw|

anonymous · Answer

$$\tan(24)=\frac{x}{6.9}$$
$$x=6.9\tan(24)$$ and a calculator

anonymous · Answer

Thank you!!! :)

anonymous · Answer

http://www.wolframalpha.com/input/?i=6.9tan%2824%29 looks pretty close to 2, which seems odd that a plane would be 3 miles up, but i guess it is a made up problem anyways yw

anonymous · Answer

oops i mean pretty close to 3!

anonymous · Answer

3 miles is 15,840 feet so it's actually pretty normal

anonymous · Answer

Especially if they just recently took off