найти площадь прямоугольника если его длина 8см а периметр 28см. - №25609788

найти площадь прямоугольника если его длина 8см а периметр 28см.
- Предмет:
  Математика
- Автор:
  malachioq0k
- 6 лет назад

Ответы 1

8 х 2 = 16 28-16=12 12: 2 =6см - это ширина прямоугольника 8 х 6 = 48см в квадрате -площадь прямоугольника
- Автор:
  buddyprp9
- 6 лет назад
- 0
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