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anonymous
 one year ago
Max observes the zoo and the library from a helicopter flying at a height of 200 times square root of 3 feet above the ground, as shown below:
anonymous
 one year ago
Max observes the zoo and the library from a helicopter flying at a height of 200 times square root of 3 feet above the ground, as shown below:

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What is the distance between the zoo and the library?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438783098376:dw i think first you need to find hypotenuse side of right triangle by using \[\rm sin \rm \theta = \frac{ opposite }{ hypotenuse }~~~~ \cos \theta = \frac{ adjacent }{ hypotenuse } ~~\tan \theta = \frac{ opposite }{ adjacent }\]

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438783160804:dw blue line = hypotenuse

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0use sin function \[\rm sin 60= \frac{ opposite }{ hypotenuse }\]

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1oh i got the answer but ill wait for nnesha :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Hoe did you get that answer?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1oh so you saw the answer huh? :/ lol

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1http://openstudy.com/study#/updates/53bc4175e4b0bbb79bdb2c9a

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1and there are a few more questions that i think you didnt post yet but are yours?

ali2x2
 one year ago
Best ResponseYou've already chosen the best response.1if it helped the medal will be waiting for me :) xD

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0what ? let me know if you still don't get anything :=)

phi
 one year ago
Best ResponseYou've already chosen the best response.0are you studying trigonometry (using sin and cos) or are you supposed to be using "special triangles" in this case, 306090 triangles?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@phi Im studying trig

phi
 one year ago
Best ResponseYou've already chosen the best response.0in that case, use nnesha's picture notice in the red triangle, \[\tan 60 = \frac{200\sqrt{3}}{x} \] tan 60 is one of those values you should memorize. it is sqr(3) thus \[ \sqrt{3}= \frac{200\sqrt{3}}{x} \\ x= 200\] now for the large triangle \[ \tan 30 = \frac{200\sqrt{3}}{x} \] tan 30 = 1/sqrt(3) so you have \[ \frac{1}{\sqrt{3} }= \frac{200\sqrt{3}}{x} \] hopefully you find x= 600 thus the bottom of the big triangle is 600 the distance from G to zoo is 200 the difference is the distance from the zoo and library.
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