Предмет: Геометрия, автор: onetap1360

В равнобедренный прямоугольный треугольник вписан квадрат так что две его вершины лежат на гепотенузе а две другие на катетах найдите сторону квадрата если гипотенуза равна 21 см.Нужно срочно,вместе с дано

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Автор ответа: bexruzbahodirov

Ответ:В равнобедренный прямоугольный треугольник вписан квадрат так что две его вершины лежат на гепотенузе а две другие

Построили треугольник, построили квадрат.

Получились три подобных треугольника - СМК, KML, BNL

Вычислили сторону квадрата = 1/3 диагонали.

а = 21:3 = 7 см.

Р = 7*а = 49 см - ОТВЕТ

Объяснение:

Приложения:

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