Предмет: Геометрия, автор: supernatural7662

точка знаходиться на відстані 4 см від прямої а. З цієї точки до прямої проведено похилу,яка утворюе з прямої кут 45°.Знайдіть проекцію цієї похилої на пряму а

Ответы

Автор ответа: Аноним

Проекция тоже равна 4см, поскольку угол наклона равен 45°, тогда и угол, который образует наклонная с перпендикуляром равен 45°. В равнобедренном треугольнике боковые стороны равна. Раз перпендикуляр равен 4 см, то и проекция = 4 см.

Ответ 4 см

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