Предмет: Геометрия, автор: Эмма1997

не имеет центра симметрии фигура (см.вложения)

Приложения:

Ответы

Автор ответа: KuOV
0
1. Если это ромб, то центр симметрии есть - точка пересечения его диагоналей. Если это произвольный параллелограмм, то центра симметрии нет.
2. Если это правильный восьмиугольник (все стороны равны и все углы равны), то центр симметрии есть - точка пересечения его диагоналей.
3. Центр круга и есть его центр симметрии.
4. Треугольник центра симметрии не имеет.
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