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JessicaChen Group Title

Find x in these 45 - 45 - 90 triangles. http://tinypic.com/r/rtg4ty/5 x= () square root ()

  • one year ago
  • one year ago

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  1. mathtutoring22 Group Title
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    you whats SOH CAH TOA?

    • one year ago
  2. mathtutoring22 Group Title
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    Cos(theta) = adjacent/hypothenus

    • one year ago
  3. mathtutoring22 Group Title
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    therefore Cos(45) = x/8

    • one year ago
  4. mathtutoring22 Group Title
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    you can use the graphic calculator. make sure it is on radian mode

    • one year ago
  5. JessicaChen Group Title
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    @AravindG any chance of helping me?

    • one year ago
  6. AravindG Group Title
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    Cos(45) = x/8 solve for x

    • one year ago
  7. JessicaChen Group Title
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    do i just multiply (45) and 8? and find the square root from there

    • one year ago
  8. AravindG Group Title
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    nope cos 45 is 1/root(2)

    • one year ago
  9. AravindG Group Title
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    so you multiply 1/root{2} with 8

    • one year ago
  10. JessicaChen Group Title
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    1 square root of 2 is 1.4

    • one year ago
  11. JessicaChen Group Title
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    is that right?

    • one year ago
  12. AravindG Group Title
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    nope

    • one year ago
  13. AravindG Group Title
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    1/root(2)=1/1.414=0.707

    • one year ago
  14. JessicaChen Group Title
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    so do i just multiply 70 and 8?

    • one year ago
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