В треугольнике ABC I - центр вписанной окружности, N - точка Нагеля, F - точка Фейербаха, H - ортоцентр. X - симметрична I относительно F. Докажите, что окружность (IHX) касается прямой HN
В треугольнике ABC I - центр вписанной окружности, N - точка Нагеля, F - точка Фейербаха, H - ортоцентр. X - симметрична I относительно F. Докажите, что окружность (IHX) касается прямой HN
But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Soloviev also promoted the channel in a post he shared on his own Telegram, which has 580,000 followers. The post recommended his viewers subscribe to "War on Fakes" in a time of fake news. Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. On February 27th, Durov posted that Channels were becoming a source of unverified information and that the company lacks the ability to check on their veracity. He urged users to be mistrustful of the things shared on Channels, and initially threatened to block the feature in the countries involved for the length of the war, saying that he didn’t want Telegram to be used to aggravate conflict or incite ethnic hatred. He did, however, walk back this plan when it became clear that they had also become a vital communications tool for Ukrainian officials and citizens to help coordinate their resistance and evacuations.
from fr
