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pokemon23

I need help figuring out these right triangle whether its cos,sin,tan...

  • one year ago
  • one year ago

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  1. tukajo
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    SOH-CAH-TOA

    • one year ago
  2. pokemon23
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    |dw:1351054383279:dw|

    • one year ago
  3. tukajo
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    Sin = Opposite/Hypotenuse Cos = Adjacent/Hypotenuse Tan = Opposite/Adjacent

    • one year ago
  4. pokemon23
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    I know that but I'm not sure I know x=opposite and 50 is adj

    • one year ago
  5. tukajo
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    solve for the other angle

    • one year ago
  6. tukajo
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    you have the corner angle as 54 degrees?

    • one year ago
  7. pokemon23
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    in this case is this a tan?

    • one year ago
  8. pokemon23
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    Tan(36)*41

    • one year ago
  9. tukajo
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    |dw:1351054517099:dw|

    • one year ago
  10. tukajo
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    correct?

    • one year ago
  11. tukajo
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    |dw:1351054589727:dw|

    • one year ago
  12. tukajo
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    correct?

    • one year ago
  13. tukajo
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    You there?

    • one year ago
  14. tukajo
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    |dw:1351054690061:dw|

    • one year ago
  15. pokemon23
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    so? i did it correctly?

    • one year ago
  16. tukajo
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    So Tangent = Adjacent over Opposite

    • one year ago
  17. tukajo
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    understand?

    • one year ago
  18. pokemon23
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    so x=64.35

    • one year ago
  19. pokemon23
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    but its say nearest centimeter

    • one year ago
  20. tukajo
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    Messed that up sorry. It's going to be tan(54) = x/50

    • one year ago
  21. tukajo
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    so solve for that.

    • one year ago
  22. tukajo
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    Tell me: Tan(54) = ?

    • one year ago
  23. pokemon23
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    1.37638192

    • one year ago
  24. tukajo
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    now solve using SOHCAHTOA

    • one year ago
  25. tukajo
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    so tan(54) = x/50

    • one year ago
  26. tukajo
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    so 1.376 = x/50 x = ?

    • one year ago
  27. pokemon23
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    I got 68.81

    • one year ago
  28. tukajo
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    correct

    • one year ago
  29. tukajo
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    round to nearest cm

    • one year ago
  30. pokemon23
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    which i 68.80 if im right

    • one year ago
  31. tukajo
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    whole centimeter bud

    • one year ago
  32. tukajo
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    so if you have 65.36 centimeters, rounding to 65.4 isn't rounding to the nearest centimeter, that would be millimeter.

    • one year ago
  33. pokemon23
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    facepalm..........

    • one year ago
  34. tukajo
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    you have to round to the nearest centimeter which would be 69

    • one year ago
  35. tukajo
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    understand?

    • one year ago
  36. pokemon23
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    so just 69.

    • one year ago
  37. tukajo
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    should be

    • one year ago
  38. tukajo
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    but do you understand why?

    • one year ago
  39. pokemon23
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    can you explain to the nearest centimeter.

    • one year ago
  40. tukajo
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    well if you have 66.74 centimeters that means you have 66 WHOLE centimeters and .74 of a centimeter correct?

    • one year ago
  41. tukajo
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    so why would you round to 66.7 centimeters? You would still have 66 centimeters and .7 of a centimeter

    • one year ago
  42. tukajo
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    Instead, you round to the next WHOLE centimeter which is 67, make sense?

    • one year ago
  43. pokemon23
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    because of third digit is higher than 5 it raises the number right.

    • one year ago
  44. tukajo
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    yes 5+ = round up 4- = round down

    • one year ago
  45. tukajo
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    so round these to the nearest centimeter for me: 55.34 = ? 57.49 = ? 73.50 = ? 110.2 = ?

    • one year ago
  46. pokemon23
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    kk

    • one year ago
  47. pokemon23
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    55 57 74 110

    • one year ago
  48. tukajo
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    correct :)

    • one year ago
  49. pokemon23
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    I think I got them all wrong T_T

    • one year ago
  50. pokemon23
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    oh.

    • one year ago
  51. tukajo
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    no you were all right

    • one year ago
  52. pokemon23
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    thank you :) for the help. your help me clear out my struggle.

    • one year ago
  53. tukajo
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    no problem, have a good day.

    • one year ago
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