Предмет: Математика, автор: ДарьяРысенкова

в равнобелренном треугольнике АВС с осрованием АС внешний угол при вершине С равен 123°. найдите величину угла АВС. Ответ дайте в градусах

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Автор ответа: theshipiklive

0

C=180-123=57 C=57(градусов)

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