Периметр треугольника равен 168 см, а его стороны относятся как 3 : 4 : 5. Найди стороны треугольника

Периметр треугольника равен 168 см, а его стороны относятся как 3 : 4 : 5. Найди стороны треугольника
- Предмет:
  Математика
- Автор:
  pocketsowjf
- 5 лет назад

Ответы 1

Решение:1) Пусть x - одна часть, тогда 3x - первая сторона, 4x - вторая сторона, 5x - третья сторона. 3x+4x+5x=16812x=168x=168:12x=14 2) 3*14=42 см - первая сторона3) 4*14=56 см - вторая сторона4) 5*14=70 см - третья сторонаОтвет: 42; 56; 70.(чертёж и дано напиши сам(а))
- Автор:
  jefferson
- 5 лет назад
- 0
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Периметр треугольника равен 168 см, а его стороны относятся как 3 : 4 : 5. Найди стороны треугольника

Ответы 1

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