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∠ACD is an exterior angle of ∆ABC.The measures of ∠A and ∠B are equal. If m∠ACD = 140°, find the measures of the angles ∠A and ∠B.

Answer» ∠ACD is an exterior angle of ABC.The measures of ∠A and ∠B are equal. If m∠ACD = 140°, find the measures of the angles ∠A and ∠B.



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