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Дано: треугольник ABC, угол A = 38 градусов, угол C = 15 градусов, угол KBA - внешний угол.
Найти: угол KBA
Ответы 1
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Угол в равен 180-15-38=127 по сумме углов треугольникаУгол ква внешний для угла в =>угол ква равен 180-127=53
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Автор:
víctor65 - 6 лет назад
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