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в треугольнике авс угол а=42 градусам , угол б в 2 раза больше чем угол а , найти угол с
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Сумма всех углов треугольника =180градусовУгол а=42 угол б=2×42=84Угол с=180-42-84=54градуса.
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Автор:
rocko - 5 лет назад
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