В треугольнике CDE угол С равен 30 градусов, угол D равен 45 градусов, CE = 3. Найдите DE. - Дата: 11.07.2019, Автор: darby - №30880212

В треугольнике CDE угол С равен 30 градусов, угол D равен 45 градусов, CE = 3. Найдите DE.
- Предмет:
  Геометрия
- Автор:
  darby
- 6 лет назад

Ответы 1

здесь применяется теорема синусов
- Автор:
  donatokryi
- 6 лет назад
- 0
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