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anonymous

  • one year ago

A support wire extends from the top of a 225 feet radio tower to the ground and makes an angle of 64° with the ground. How long does the wire need to be to reach from the top of the tower to the ground? Select one: a. 104.9 feet b. 250.3 feet c. 482.5 feet d. 532.4 feet

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  1. Jhannybean
    • one year ago
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    |dw:1442041401436:dw|

  2. Jhannybean
    • one year ago
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    |dw:1442041573525:dw|

  3. triciaal
    • one year ago
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    |dw:1442041540346:dw|

  4. anonymous
    • one year ago
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    already tried it and I didn't get any of the possible answers

  5. Jhannybean
    • one year ago
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    Using SOHCAHTOA, which relation would you use to relate the side opposite to the angle and the hypotenuse, \(\sf L\) ?

  6. anonymous
    • one year ago
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    I already used the SOH CAH TOA and I didn't none of the answers :( I don't know if it was my mistake, but I just didn't got none of the answers above...and I tried to solve it many times already

  7. Jhannybean
    • one year ago
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    Hm, let's see. \[\sf sin(64^\circ) = \frac{225}{L}\implies L=\frac{225}{sini(64^\circ)}=~?\]

  8. Jhannybean
    • one year ago
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    sin*

  9. anonymous
    • one year ago
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    oh, yeah it was me....thanks

  10. Jhannybean
    • one year ago
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    No problem, haha.

  11. anonymous
    • one year ago
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    \[225 \csc (64 {}^{\circ})=250.335 \]

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