Предмет: Геометрия, автор: Виколько

Сторони трикутника 7 см, 9 см, 12см. Дві сторони іншого трикутника 3,5см, 6 см. Якої довжини повинна бути 3 сторона щоб трикутники були подібні?

Ответы

Автор ответа: vsh69

Если взять, что 7/3.5=2 и 9/6=1.5 - это нам не подходит 2 не равно 1.5

Значит 7/3.5=2 и 12/6=2 2 = 2

третя сторона - х, тогда

12/6=9/х

х=6*9/12=4.5

ответ: 4.5 см

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