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Math Help - A and B

  1. #1
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    A and B

    A and B are points on opposite sides of a river. On the bank the line AC 650 ft is measured. The angles A = 73 degrees 40 minutes, and C = 52 degrees and 38 minutes. Find AB

    law of cosines can help
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  2. #2
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    Quote Originally Posted by aeroflix View Post
    A and B are points on opposite sides of a river. On the bank the line AC 650 ft is measured. The angles A = 73 degrees 40 minutes, and C = 52 degrees and 38 minutes. Find AB

    law of cosines can help
    Use the measures of angles A and C to calculate the value of angle B.

    law of sines ...

    \displaystyle \frac{AB}{\sin{C}} = \frac{650}{\sin{B}}
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