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AdamBaker

Two tugboats that are a = 130 ft apart pull a barge, as shown. If the length of one cable is b = 218 ft and the length of the other is c = 230 ft, find the angle formed by the two cables.

  • one year ago
  • one year ago

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  1. Hero
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    |dw:1354844479801:dw|

    • one year ago
  2. Hero
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    Use law of cosines

    • one year ago
  3. AdamBaker
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    yea i know i have to use law of cosines but i forgot my book in school and google confused me. do you mind if u solve it for me please

    • one year ago
  4. AdamBaker
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    do you perhaps happen to know the formula i should use

    • one year ago
  5. Hero
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    \[a^2 = b^2 + c^2 - \sqrt{2bc \cos A}\]

    • one year ago
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