Предмет: Геометрия, автор: graffkraff

В треугольнике АВС угол АВС равен 98, угол АСВ равен 29. Найдите внешний угол при вершине А. Ответ дайте в градусах

Ответы

Автор ответа: sergeyzlobin19

0

внешний угол в треугольнике равен сумме двух других углов не смежных с ним , поэтому ответ 127 градусов

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