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In ∆ABC, ∠A+∠B=65º and ∠B+∠C=140º, then measure of ∠B is * |
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Answer» ong>Answer: Step-by-step EXPLANATION: In Triangle ABC, Angle A + Angle B + Angle C = 180 degrees Therefore, 65 + C = 180 c = 180 - 65 = 115 degrees Given: Angle B + Angle C = 140 degrees B + 115 = 140 B = 140 - 115 Angle B = 25 degrees |
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