Предмет: Геометрия, автор: Никиторс

В окружности проведена хорда,равна радиусу.Под каким углом видна эта хорда из произвольной точки окружности,отличной от её концов?

Ответы

Автор ответа: ainura20010907
0
OA=6, AB=2
ctg AOB=AB/OA=2/6=1/3
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