Предмет: Геометрия, автор: jboxcz0

В параллелограмме ABCK высота BH разбивает сторону АК На Отрезки АН =13 см, НК=7см ,а угол А = 45 градусам .Найдите площадь параллелограмм.

Ответы

Автор ответа: georg4326

В треугольнике АВН угол В=45 следовательно этот треугольник равнобедренный следовательно АН=ВН=13. S= 13*20=260см2

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