Вопрос школьника по предмету Алгебра
Периметр данного треугольника 60 дм. Найдите периметр
треугольника, вершины которого
являются серединами сторон данного треугольника.
Ответ учителя по предмету Алгебра
Ответ:
30 дм
Объяснение:
поскольку средние линии равны половине стороны треугольника, то
P= 0,5 * 60 = 30 (дм)
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