Предмет: Геометрия, автор: Lamhep

отрезок CD биссектриса треугольника ABC AC- 12 см BC- 18 см AD-10 см найдите отрезок BD

Ответы

Автор ответа: zhenyaM2002

0

Решение в приложении.

Ответ : BD = 15 см.

Приложения:

Автор ответа: Пеппер

0

Биссектриса треугольника делит третью сторону на отрезки, пропорциональные двум другим сторонам. Отсюда АДАС = ВДВС

ВД=АД*ВС:АС

ВД=10*18:12

ВД=15 см

Ответ: 15 см.

Приложения:

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