Пусть M - середина стороны BC треугольника ABC. X и Y - основания перпендикуляров из M на AC и AB соответственно. H_AXB и H_AYC - ортоцентры понятно каких треугольников. Докажите, что точки H_AXB, H_AYC, B, C лежат на одной окружности
Пусть M - середина стороны BC треугольника ABC. X и Y - основания перпендикуляров из M на AC и AB соответственно. H_AXB и H_AYC - ортоцентры понятно каких треугольников. Докажите, что точки H_AXB, H_AYC, B, C лежат на одной окружности
Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.” Unlimited number of subscribers per channel Joined by Telegram's representative in Brazil, Alan Campos, Perekopsky noted the platform was unable to cater to some of the TSE requests due to the company's operational setup. But Perekopsky added that these requests could be studied for future implementation. The administrator of a telegram group, "Suck Channel," was sentenced to six years and six months in prison for seven counts of incitement yesterday. Users are more open to new information on workdays rather than weekends.
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