Предмет: Алгебра, автор: AnastasiC

Найдите периметр прямоугольника, если его площадь равна 375, а отношение соседних сторон равно 3:5.
Решите пожалуйста. 

Ответы

Автор ответа: vfkjcntdf
0
Принимаем стороны за 3х и 5х 

Автор ответа: elliebortnik
0
Берем х общую меру длины. То есть ав:вс = 3х:5х
3х*5х=375
Х=5
Значит стороны равны 15 b 25
Периметр равен 2*40=80
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