anonymous
  • anonymous
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.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Hero
  • Hero
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Hero
  • Hero
Use law of cosines
anonymous
  • anonymous
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

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anonymous
  • anonymous
do you perhaps happen to know the formula i should use
Hero
  • Hero
\[a^2 = b^2 + c^2 - \sqrt{2bc \cos A}\]

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