Precalculus Quiz
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TRIGONOMETRY IN GENERAL TRIANGLES
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In triangle △ABC\triangle ABC formed during a construction layout, the measured sides are AB=90 mAB=90\text{ m}, AC=70 mAC=70\text{ m}, and BC=50 mBC=50\text{ m}. Using the measurements, which law should be applied first to solve for an angle of the triangle (such as ∠A\angle A)?
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