anonymous
  • anonymous
if you have a triangle your base is 8 your side is y and your hoptenuse is x its a right triangle your degree is 60 what is x and y
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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mysesshou
  • mysesshou
Does it say which angle is the 60? |dw:1332460900964:dw|
anonymous
  • anonymous
its between the x and 8 on the picture the |dw:1332461098917:dw|
anonymous
  • anonymous
8 is to your left y is at the bottom and x is th hypotenuse

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mysesshou
  • mysesshou
Oh, thought you wrote 8 is base, usually the bottom. Ok, how about this pic? is this one correct? |dw:1332461304899:dw|
anonymous
  • anonymous
y is the longer side of the triangle 8 is the shorter side and x is the hypotenuse
mysesshou
  • mysesshou
|dw:1332461803924:dw|
mysesshou
  • mysesshou
We can use SOH CAH TOA: \[tan(60)=\frac{y}{8}\] \[cos(60)=\frac{8}{x}\] Ok so far?
anonymous
  • anonymous
ok
mysesshou
  • mysesshou
then you can solve for x and y Do you know how to do that?
anonymous
  • anonymous
thats where i am confused because i thought i have to have a formula chart
mysesshou
  • mysesshou
you can use the unit circle or a chart that tells you the cos(degree)=# or a calculator. tan(60)=y/8 y=8*tan(60) cos(60)=8/x x=8/cos(60)
anonymous
  • anonymous
so both answers are 8
anonymous
  • anonymous
so on tan I multipy by 8 and on cos I divide
mysesshou
  • mysesshou
yes, to solve for the x and y
anonymous
  • anonymous
x would be 7.5 y would be 480
mysesshou
  • mysesshou
cos(60) = 0.5 \[tan(60) = \sqrt{3}\] y=8*tan(60) \[y=8* \sqrt{3}\] x=8/cos(60) x=8/0.5 = 16 i think. let me double check.
mysesshou
  • mysesshou
ok, i think it is right. :)
anonymous
  • anonymous
so y would be y=8 quare root of 3
AccessDenied
  • AccessDenied
sounds correct There's also a quick way to tell since it's a 'special' triangle (30-60-90 triangle) The sides would be in the ratio 1:2:sqrt(3) smallest side is "s", the other leg is "s" times sqrt(3), and the hypotenuse is 2 times "s".
mysesshou
  • mysesshou
Ah, right. Thanks for checking and reminding me of the special triangle. :)
anonymous
  • anonymous
how do you type the quare root on a lap top
anonymous
  • anonymous
Finish the equation you would use to find the altitude of the airplane. if the airplane is on the top of the triangle and x is on the side the base is 800 and the hypotense is has 70 degrees what would the tan be and what would =
anonymous
  • anonymous
can you help with this one
mysesshou
  • mysesshou
sarver, yes, y = 8 * sqrt(3) = approximately 13.86 on the calculator in MS Windows, there is a sqrt button. :) in MS word, it is in Symbols.
mysesshou
  • mysesshou
|dw:1332463629044:dw| find the altitude of the airplane. if the airplane is on the top of the triangle and x is on the side the base is 800 and the hypotense is has 70 degrees what would the tan be and what would =
mysesshou
  • mysesshou
800 * tan(70) = 2197.98 = altitude = x
mysesshou
  • mysesshou
hope that helps :)

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