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Mathematics
Calvin Hurley
26 July, 20:14
In triangle ABC,
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Maggie
26 July, 23:50
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A=x. The three angles are x, 3x+21, and x+54. x+3x+21+x+54=180. 5x = 180-75=105. x = 21. A = 21 degrees, B = 84 degrees and C = 75 degrees
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