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iirIn Î ABC, ifăA = 629,IB-280, then findLC. |
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Answer» In any triangle, the sum of angles is 180°. In ∆ABC, ∠A + ∠ B + ∠ C=18062+28+ ∠ C=180∠ C=180-62-28∠ C=180-90 ∠ C =90° |
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