найдите площадь треугольника вершины которого имеют координаты (1;6)(9;6)(7;9) - №11866357

найдите площадь треугольника вершины которого имеют координаты (1;6)(9;6)(7;9)
- Предмет:
  Математика
- Автор:
  amigakzby
- 6 лет назад

Ответы 1

S=(1/2)*a*ha=9-1=8h=9-6=3S=(1/2)*8*3=12
- Автор:
  belenfvli
- 6 лет назад
- 0
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