Предмет: Геометрия, автор: Anyashkaa

Точка O-центр окружности, угол АBC=40 градусов.Найдите угол АОС.

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Автор ответа: volodyk
0

Дуга АС = 2 х уголАВС = 2 х 40 = 80, угол АОС -центральный = дуге на которую опирается =дугу АС= 80 град 

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