Предмет: Геометрия, автор: bulewo

В треугольника авс известно что угол Вас =86, ад - биссектриса. Найти угол вад.

Ответы

Автор ответа: 25hjoerf10

Биссектриса АД делит угол ВАС пополам. Значит, угол ВАД равен 1/2 угла ВАС.
86:2=43 - угол ВАД.
Ответ: 43.

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