Предмет: Геометрия, автор: ЯгодкаЯлесная

У простой замкнутой ломаной линии 4 звена. Возможны ли данные длины звеньев ломаной?

1. 9 см, 9 см, 9 см, 9 см.
Да
Нет

2. 4 см, 3 см, 2 см, 1 см.
Нет
Да

3. 2 см, 3 см, 3 см, 8 см.
Да
Нет

Ответы

Автор ответа: tutygcns
2

Ответ:

Длина каждого звена всегда меньше суммы трёх остальных длин:

первые два - да, третье - нет.

Автор ответа: varnovaanua
1
1) да 2)да 3) нет
Все
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