Предмет: Геометрия, автор: porosuncikandrej

Помогите пожалуйста!! Даю 20 баллов!!

Приложения:

Ответы

Автор ответа: julietxx

Ответ:

1) может

2) не может

3) не может

Объяснение:

для существования трегольника — сумма двух сторон должна быть больше чем третья

5+8=13

1) С = 20-13=7<13

существует

2) С = 15-13= 2>13

не существует

3) С = 26-13=13=13

так же не существует

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