Предмет: Математика, автор: kitymilk

4.Периметр прямокутника 15,5 см. Довжина у 1,5 рази більша від ширини. Знайдіть сторони ПРЯМОКУТНика.​

Ответы

Автор ответа: Gramatik1
1

Відповідь: 3.1 і 4.65

Покрокове пояснення:

x + 1.5x = 15.5

2.5x = 15.5

x = 15.5/2.5

x = 6.2 - ширина

6.2*1.5 = 9.3 - довжина

x/2 = 6.2/2 = 3.1 - перша сторона

9.3 / 2 = 4.65 - друга сторона

kitymilk: дякую
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