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anonymous

  • one year ago

A utility worker is installing a 25-foot pole AB at the foot of a hill. Two guy wires, AC and AD, will help keep the pole vertical. To the nearest inch, what is the length of AC?AD is perpendicular to the hill, which makes an angle of 28° with a horizontal line. To the nearest inch, how long should this guy wire be? http://cds.flipswitch.com/tools/asset/media/110896

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  1. anonymous
    • one year ago
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    I got the first one but im not sure if its right

  2. anonymous
    • one year ago
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    what did you get?

  3. anonymous
    • one year ago
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    27 ft 7 in

  4. anonymous
    • one year ago
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    yeah that's right

  5. anonymous
    • one year ago
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    I just need help with the second one

  6. anonymous
    • one year ago
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    f|dw:1437788350700:dw|

  7. anonymous
    • one year ago
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    so you can use sine again to find AD

  8. anonymous
    • one year ago
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    \[\sin 62°=\frac{ AD }{ 25 }\]

  9. anonymous
    • one year ago
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    so once you find that you convert in to feet and inches

  10. anonymous
    • one year ago
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    right

  11. anonymous
    • one year ago
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    22 ft 1in?

  12. anonymous
    • one year ago
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    that's what I got :)

  13. anonymous
    • one year ago
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    Thank you very much I appreciate your help :)

  14. anonymous
    • one year ago
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    you're welcome

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spraguer (Moderator)
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