Предмет: Геометрия, автор: maranakuharuk15

3. У прямокутнику один з кутів, утворених діагоналями, дорівнює 60°. Діагональ прямо- Знайди меншу сторону прямокутника. кутника дорівнює 11 см.

Ответы

Автор ответа: kbim3ixd

0

Ответ:

Диагональ делит прямоугольник на 2 прямоугол них треугольника.Меньшая сторона прямоугольника(катет треугольника) лежит напротив угла 30 градусов,а значит равен половине гипотенузы,а это а данном конкретном случае диагональ

Меньшая сторона равна

11:2=5,5 см

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