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March 29, 2017

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In right triangle ABC, angle A=3, angle B=60, and angle C=90. Find AB with AC is 12 ?

  • geometry - ,

    Let r=AB. Since we were given AC=12 and angle B=60, we can use:

    sin 60 = 12/r

    Solving for r we have:

    r = 12/sin 60 = 13.86

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