Предмет: Геометрия, автор: vlozkin089

ПОМОГИТЕ СРОЧНО!!! Один из внешних углов равен 126 градусов. Найти внутренние углы треугольника, не смежные с ним, если один из них в 2 раза больше другого.

Ответы

Автор ответа: zmeura1204
3
Відповідь:
42°; 84°

Розв'язання:
Пусть градусная мера одного угла будет х°; а другого- 2х°;
Внешний угол треугольника равен сумме двух внутренних углов треугольника не смежных с ним.
Уравнение:
х+2х=126
3х=126
х=126/3
х=42° градусная мера одного угла.
42*2=84° градусная мера второго угла.

low26: Здравствуйте!Помогите пожалуйста с геометрией задачи.Очень надо
vlozkin089: Спасибо ОГРОМНОЕ!!!
jjjjh4jdjkdiridi: Мне помогите пожалуйста.
jjjjh4jdjkdiridi: Разделите круг четырех диаметров на равные части. Сколько градусов составляет один угол? Как называются углы? ​
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