Дан прямоугольный треугольник ABC. AC=13, BC=12, AB-?, угол B прямой.Найти периметр - Znanija.Site

Дан прямоугольный треугольник ABC. AC=13, BC=12, AB-?, угол B прямой.Найти периметр треугольника ABC.
- Предмет:
  Геометрия
- Автор:
  casey24
- 5 лет назад

Ответы 2

спасибо
- Автор:
  adisoncosta
- 5 лет назад
- 0
Найдем второй катет по теореме Пифагора:
√13²-12²=√169-144=√25=5.
Р=13+12+5=30
- Автор:
  zachary
- 5 лет назад
- 0
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