Предмет: Геометрия, автор: jackob1234brock

2. В треугольнике АВС внутренний угол при вершине А равен 63 градуса, а внешний угол при вершине В равен 150 градусов. Найдите внешний угол при вершине С.​

Ответы

Автор ответа: NNNLLL54
0

Ответ:

ΔАВС , ∠АВК=150°  ,  ∠А=63° , Найти:  ∠ВСМ .

 ∠АВС=180°-∠АВК=180°-150°=30°

∠ВСМ=∠АВК+∠ВАС=30°+63°=93° ( внешний угол треугольника равен сумме внутренних углов , не смежных с ним ) .

Приложения:
NNNLLL54: нет
selfcare39: Здравствуйте, помогите пожалуйста с геометрией, задание у меня в профиле, отмечу как лучший ответ и 5 звёзд!
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