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If the isosceles triangle ABC has a 130° angle at vertex B, which statement must be true? m∠A = 15° and m∠C = 35° m∠A + m∠B = 155° m∠A + m∠C = 60° m∠A = 20° and m∠C = 30° |
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Answer» If the isosceles triangle ABC has a 130° angle at vertex B, which statement must be true? Solution: |
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