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Chiomatn93

  • 3 years ago

sketch the triangle and find the indicated side x or angle theta. <A = 50 degrees, b=23 c= 12 and Line BC= x

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  1. dpaInc
    • 3 years ago
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    use the law of cosines: x^2 = b^2 + c^2 - 2bc*cos(50) solve for x.

  2. Chiomatn93
    • 3 years ago
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    okay but how would the sketched triangle look like?

  3. dpaInc
    • 3 years ago
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    |dw:1337041852239:dw|

  4. dpaInc
    • 3 years ago
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    anytime you have a triangle with two sides given and the angle between them given, this is a case for the law of cosines.

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