Предмет: Геометрия, автор: kindiano4

Знайдіть сторони трикутника, якщо вони пропорційні числам 3, 5 і 7, а периметр трикутника дорівнює 60 см.

Ответы

Автор ответа: Danielcool31

2

Ответ:

Нехай X - коефіцієнт пропорційності, тоді:

3x+5x+7x=60

15x=60

X=4

Сторони трикутника:

12 см, 20 см, 28 см

mortisthenight243: нельзя списувати

kindiano4: Не умничай

mortisthenight243: мне можна

kindiano4: Только через мой труп

mortisthenight243: ничесе

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