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In a △ABC,if ∠A + ∠B = 150° and ∠B + ∠C = 75°, then ∠B =(a) 35°(b) 45°(c) 55°(d) 25° |
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Answer» In a △ABC,if ∠A + ∠B = 150° and ∠B + ∠C = 75°, then ∠B = (a) 35° (b) 45° (c) 55° (d) 25° |
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