Предмет: Математика, автор: zabrodina2004

Периметр треугольника ABC равен 30 см. , причём сторона AB на восемь см, а сторона BC на семь см. длиннее стороны AC. Найти длину всех сторон. Даю 25 баллов!!! Только решите уравнением!

Ответы

Автор ответа: danadobrieva
4
решение на фотографии
Приложения:
zabrodina2004: Спасибо!!!
danadobrieva: пожалуйста)
zabrodina2004: Просто решать лень)))
danadobrieva: хех)))
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