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highschoolmom2010

  • 2 years ago

help please picture attached

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  1. highschoolmom2010
    • 2 years ago
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  2. highschoolmom2010
    • 2 years ago
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    |dw:1376252434909:dw|

  3. ganeshie8
    • 2 years ago
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    Yes, you want to find x take a close look and see if u knw(can knw) any other sides in that triangle ?

  4. highschoolmom2010
    • 2 years ago
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    |dw:1376252547785:dw| using the drawing i got 16 idk if its right

  5. ganeshie8
    • 2 years ago
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    thats right ! 15 ft radius + 1ft overhang = 16

  6. ganeshie8
    • 2 years ago
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    keep going

  7. highschoolmom2010
    • 2 years ago
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    sorry 1 sec

  8. ganeshie8
    • 2 years ago
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    ok

  9. highschoolmom2010
    • 2 years ago
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    \[\cos (25)=\frac{ 16 }{ x }\]

  10. highschoolmom2010
    • 2 years ago
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    i have forgotten what to do next

  11. ganeshie8
    • 2 years ago
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    you wanto find x

  12. ganeshie8
    • 2 years ago
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    maybe multiply x both sides first

  13. highschoolmom2010
    • 2 years ago
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    \[(x)*\cos25= \frac{ 16 }{ x }*(x)\] \[X \cos 25=16\]

  14. ganeshie8
    • 2 years ago
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    next ?

  15. highschoolmom2010
    • 2 years ago
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    \[\frac{ X \cos 25 }{ \cos 25 }=\frac{ 16 }{ \cos 25 }\]

  16. ganeshie8
    • 2 years ago
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    perfect !

  17. highschoolmom2010
    • 2 years ago
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    \[x=14.5\]

  18. ganeshie8
    • 2 years ago
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    try again

  19. ganeshie8
    • 2 years ago
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    looks uve multiplied cos25, instead of dividing

  20. highschoolmom2010
    • 2 years ago
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    16.1

  21. ganeshie8
    • 2 years ago
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    try again

  22. highschoolmom2010
    • 2 years ago
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    *breaking out scientific calculator*

  23. highschoolmom2010
    • 2 years ago
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    approx 17.6

  24. ganeshie8
    • 2 years ago
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    lol, yes 17.65 ft but they want the answer in ft and inch

  25. highschoolmom2010
    • 2 years ago
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    ok so i convert ???

  26. highschoolmom2010
    • 2 years ago
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    the .65 is confusing me

  27. ganeshie8
    • 2 years ago
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    17.65 ft 17 ft + .65 ft 17 ft + .65 x 12 inch ?

  28. ganeshie8
    • 2 years ago
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    17.65 ft 17 ft + .65 ft 17 ft + .65 x 12 inch 17 ft + 7.8 inch 17 ft 7.8 inches ~ 17 ft 8 inches

  29. highschoolmom2010
    • 2 years ago
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    wow i feel kinda bad for not knowing that :(

  30. ganeshie8
    • 2 years ago
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    its tricky lol

  31. highschoolmom2010
    • 2 years ago
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    oh yea

  32. ganeshie8
    • 2 years ago
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    instead of doing all this conversion thingy, we could have simply converted 16 ft to 16x12 inches in the starting itself, and taken the ratio !

  33. ganeshie8
    • 2 years ago
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    |dw:1376253611872:dw|

  34. ganeshie8
    • 2 years ago
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    when free, you can try this.... skip for now :)

  35. highschoolmom2010
    • 2 years ago
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    ok thanks :D

  36. ganeshie8
    • 2 years ago
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    actually both are equal. we have to convert anyways in the end, so forget it !

  37. highschoolmom2010
    • 2 years ago
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    oh ok

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