anonymous
  • anonymous
OK I have two problems I'm stuck on can someone plz help me out and plz teach me how you solved it If b = 12, find c. If b = 3, find a.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
its a triangle btw
anonymous
  • anonymous
feels like the question is missing something
anonymous
  • anonymous
the Picture but i don't think you need it
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More answers

anonymous
  • anonymous
yes you need the pic ....its tells you the angles which tells the ratios of the sides to on another
anonymous
  • anonymous
have you learned SOHCAHTOA? (theta\[\sin \Theta=opp/hyp \] \[\cos \Theta=adj/hyp\] \[\tan \theta=opp/adj\]
anonymous
  • anonymous
|dw:1332188561682:dw|
anonymous
  • anonymous
|dw:1332188855143:dw|
anonymous
  • anonymous
for question a we know the adj and angle 60 degrees and we want to know hyp SohCahToa so we Cah \[Cos \theta=adj/hyp\]
anonymous
  • anonymous
here adj = 12 , hyp = c and cos(60)
anonymous
  • anonymous
i'd rather not tell you the answer but will help
aroub
  • aroub
OR did you take that: In semi equilateral triangle: The hypotenuse = 2 ( shorter leg) and the longer leg = square root of 3 times the shorter leg ?? * I think it's easier to use it in this problem.
anonymous
  • anonymous
Kinda confused So we are just talking about the first one correct? haha im trying to put it all together in my head..
anonymous
  • anonymous
ok yes we talking about the first one
anonymous
  • anonymous
|dw:1332189439391:dw|
anonymous
  • anonymous
ok that kinda makes more understand able and clear
anonymous
  • anonymous
http://www.mathwords.com/s/sohcahtoa.htm
anonymous
  • anonymous
can you work out c now?
anonymous
  • anonymous
hmm SOH stands for Sine equals Opposite over Hypotenuse. B is the opposite side and C is the hypotenuse
anonymous
  • anonymous
so its 12 over x 12 being B and x being C?
anonymous
  • anonymous
|dw:1332189795874:dw|
anonymous
  • anonymous
your getting the idea which is good ... you just mixed up the sides
anonymous
  • anonymous
cant read what B is But on the diagram its the opposite side
anonymous
  • anonymous
in the question 1 you said b =12 find c|dw:1332190095344:dw|
anonymous
  • anonymous
Ugh im still confused what do I need to do to go about doing to find C? i thought I had to 12 over x
anonymous
  • anonymous
cos (60)=12/x
anonymous
  • anonymous
yes you right ... my bad you could also use |dw:1332190384723:dw|
anonymous
  • anonymous
now can you draw in the opp , the adj and hyp
anonymous
  • anonymous
Oh my god im confused :/ X can't = 6
anonymous
  • anonymous
sin=opp/hyp sin 30 = 12/x 1/2=12/x .5x=12 x=24 .. sry your right i got it wrong
anonymous
  • anonymous
Oh ok!! haha I thought it was 24 then you said 6 and i was TRIPPING out lmafo
anonymous
  • anonymous
Ok for the second part im going to try that one can you check my answer? :)
anonymous
  • anonymous
glad you get it ... certainly best of luck
anonymous
  • anonymous
in this case its 3/x right?
anonymous
  • anonymous
"TOA stands for Tangent equals Opposite over Adjacent."
anonymous
  • anonymous
No that cant be right
anonymous
  • anonymous
Trigonometry in geometry lol YEA!!! anyways the answer is 6.. found out after a lot of research on how do solve this problem @benice
anonymous
  • anonymous
btw that was a Female dog to do.....lol
anonymous
  • anonymous
congrats the answer is correct

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