anonymous
  • anonymous
Suppose you live 3.6 miles from a hill. From your home you see a plane directly above the hill. Your angle of elevation to the plane is 11°. What is the plane’s altitude?
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
one sec, trying to work it out now.
anonymous
  • anonymous
okay thanks :)
anonymous
  • anonymous
i'll tell u!

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anonymous
  • anonymous
ok :)
anonymous
  • anonymous
3643.2 feet
anonymous
  • anonymous
thats not right?
anonymous
  • anonymous
imagine...it's a right triangle....your house to the hill is adjacent, down hill to the plane is Opposite or the altitude... so so tan (11) = opp/ adj = opp/ 3.6 => Opp = tan(11 degree) x 3.6
anonymous
  • anonymous
why not?
anonymous
  • anonymous
its not an option on the mulitipul choice.....
anonymous
  • anonymous
well .69 miles
anonymous
  • anonymous
geekwannabe is right his/her answer is an option thanks! geek!
anonymous
  • anonymous
you're welcome!
anonymous
  • anonymous
.69 seems awfully low hahahaha
anonymous
  • anonymous
The answer isn't in terms of miles or feet?
anonymous
  • anonymous
the answer has to be in miles
anonymous
  • anonymous
zhill: it could be low since the angle is not too large..
anonymous
  • anonymous
tan 11 * 3.6 = 0.69987 miles!!!!!!1
anonymous
  • anonymous
lol, I know
anonymous
  • anonymous
I think I should get credit for my correct answer
anonymous
  • anonymous
so im getting 3 diff answers here so what is the real answer????
anonymous
  • anonymous
Mine!
anonymous
  • anonymous
lolwut? but i guess if it makes logical sense....too bad the plane isnt gonna make it too far over the hill if its on a negative slope haha.
anonymous
  • anonymous
but your question is not correct man!
anonymous
  • anonymous
it's all correct, just you choosing the way to round the numbers...
anonymous
  • anonymous
a_kaffash, I said .69 miles before you lol
anonymous
  • anonymous
well obvously tou are all going to say "mine is the corect one"
anonymous
  • anonymous
list the multiple choice answers if there are any. we can use deductive reasoning.
anonymous
  • anonymous
ok
anonymous
  • anonymous
But i say the question is wrong... if the plane is seen on top of a hill from your home it doesn't mean it is exactly on top of hill
anonymous
  • anonymous
it may be further
anonymous
  • anonymous
0.7 3.5 4.1 and -813.4
anonymous
  • anonymous
so the altitude is more
anonymous
  • anonymous
get it??
anonymous
  • anonymous
ok so that leaves the answer to be???? b?
anonymous
  • anonymous
Hmmm! no ore details on question?
anonymous
  • anonymous
nope.....
anonymous
  • anonymous
the answers are all in miles by the way...
anonymous
  • anonymous
im looking over this atm if anyone is interested. pertains to her problem... http://www.teacherschoice.com.au/maths_library/trigonometry/solve_trig_sss.htm
anonymous
  • anonymous
let me give you the topic my teacher put it under give me 1 second...
anonymous
  • anonymous
Use trigonometric ratios to find angles of elevation and angles of depression.
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
You already have the angle of elevation
anonymous
  • anonymous
look at this!
1 Attachment
anonymous
  • anonymous
a_kaffash, you're wrong, the angle of elevation does not mean the plane will be on top of the hill, so the answer is .7 miles
anonymous
  • anonymous
ok? obviously this question is stumping everyone ill try a different site or heck go to my tutor lol ... thanks for tryin tho....... have a great sunday everyone.... good bye.... :)
anonymous
  • anonymous
bye
anonymous
  • anonymous
tell you what, ill setel this ill put the one i think then ill come back and tell you who ws right?
anonymous
  • anonymous
I GOT THE ANSWER!
anonymous
  • anonymous
okay here it is ...... 0.7!!!!!!
anonymous
  • anonymous
Um, I told you that already...lol
anonymous
  • anonymous
.69 rounds to .7
anonymous
  • anonymous
i know but the others were saying other things
anonymous
  • anonymous
You didn't specify what the units of the answer should be in...
anonymous
  • anonymous
one sec im working on it. seeing if i get the same answer only im solving for every side and every angle to be sure....if your patient with me i should be able to double check.
anonymous
  • anonymous
.69 is correct. shockingly.
anonymous
  • anonymous
wait
anonymous
  • anonymous
yea ok hes good.
anonymous
  • anonymous
zhill, why are you so surprised? lol!
anonymous
  • anonymous
cuz logically i couldnt see a plane being that low an altitude hahahahaha.
anonymous
  • anonymous
you gotta be landing, prepin for bailout, or a really horrible, paraplegic down syndrome pilot to be that low to the ground. or at least have a legit reason hahahah.
anonymous
  • anonymous
3,500 ft seems a little low for my taste haha.
anonymous
  • anonymous
this problem is now going to deep theory lol

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