Предмет: Математика, автор: MiMiMiShKo

Равносторонним называется треугольник, у которого все стороны равны.Из четырёх одинаковых "маленьких" треугольников составили "большой" треугольник.Чему равен периметр "маленького" треугольника, если периметр "большого" треугольника 36 см?

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Автор ответа: nata0379

0

периметр маленького треугольника равен 18см

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