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Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0Hero, this is my teachers explanation "28] Here draw the plane to the top right and connect the lines as explained in the problem. You will see that the long side of your left triangle is equal to the hypotenuse of your triangle that is on the right. the altitude is the distance from the plane to the ground which is a side of your triangle on the right. First use Law of sines to find the long side of your triangle on the left and then use the fact that sine is opposite over hypotenuse to find your opposite side.". I am honestly, completely lost. Can you please help a little bit more?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328470459577:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0there is my lousy picture

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0Well those are largely different D:

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0the triangle on the left has two angles you know 51 and 18068 = 112 so you can find the third angle as 180  112  51 = 17 and one side that you know 2.5 so presumably we can solve the triangle using the laws of sines

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0And the exact equation of that would be..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328470818902:dw

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328470842566:dw See I had that and I confused myself more because obviously you cant have a zero angle.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i suck a drawing these, but you should have \[\frac{x}{\sin(51)}=\frac{2.5}{\sin(17)}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0that picture is not right. you want a right triangle, not those

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0Or is the angle 68 just me pulling something out of my retrice

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328470950021:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i cannot draw here, but this is what i think you should be looking at.

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0Well I'm nearly 100% sure I did that wrong because I got 6.6 :S

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so as i said, \[\frac{x}{\sin(51)}=\frac{2.5}{\sin(17)}\] and therefore \[x=\frac{2.5\sin(51)}{\sin(17)}\] \[x=6.65\] rounded. now we need the altitude

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0we now look at this triangle dw:1328471113714:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0and we see that \[\frac{A}{6.65}=\sin(68)\] so \[A=6.65\sin(68)=6.166\] rounded

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0looks good, depending on how you round

Lukecrayonz
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you so much :D
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