Предмет: Математика, автор: amaktuba

5. Периметр равнобедренного треугольника равен
19 ст. Длина одной из разных сторон равна
7 ст. Найдите длины оставшихся сторон.

Ответы

Автор ответа: Nelia2019
1

Если основание равно 7, а боковая сторона х, то

2х+7=19

2х=12

х=6

Ответ: оставшиеся стороны 6 и 6.

Если боковая сторона 7, то основание х

6+2х=19

2х=13

х=6,5

Ответ: боковые стороны равны по 6,5.

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