Предмет: Другие предметы, автор: timurturganov

угол BOC меньше 180 градусов,od-биссектриса этого угла . может ли угол doc быть тупым прямым а почему геометрии нету?

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Автор ответа: girltsg12

Не може бо якщо кут BOC матиме 179° то кут DOC буде мати 89°. прямий кут 90 градусів , а тупий кут має більше ніж 90 градусів!

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