Предмет: Геометрия, автор: mursalimovramil5

Помогите решить, геометрия 7 класс, прямоугольные треугольники

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Ответы

Автор ответа: ksurrz

ответ: 30
пояснение:
тк CB=AB/2, следовательно угол A=30( свойство прямоугольного треугольника)

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