какое выражение показывает площадь круга,длина окружности которого равна l? а)l/4п - Znanija.Site

какое выражение показывает площадь круга,длина окружности которого равна l? а)l/4п в)l^2/4п с) l^2/2п d)l/2п
- Предмет:
  Математика
- Автор:
  munchkin97
- 5 лет назад

Ответы 1

Ответ:
В)
Пошаговое объяснение:
l=2пR - - - R=l/2п
S=пR^2=l^2/4п
- Автор:
  maximus4pvy
- 5 лет назад
- 0
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