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Solve this question and gain 10 point |
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Answer» Answer: 90 Step-by-step EXPLANATION: cos B = AB^2+BC^2-AC^2 / 2AB BC =108+36-144/2×6ROOT3×6 =0 SO,COS B IS 0 B IS 90 IF IT HELPS YOU PLEASE MARK ME AS BRAINLIEST |
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