Олимпиада ЮМШ 10 класс. Точки P и Q изогонально сопряжены в правильном треугольнике ABC с центром O. Оказалось, что угол POQ = 90. Докажите, что PQ касается описанной окружности треугольника ABC.
Олимпиада ЮМШ 10 класс. Точки P и Q изогонально сопряжены в правильном треугольнике ABC с центром O. Оказалось, что угол POQ = 90. Докажите, что PQ касается описанной окружности треугольника ABC.
"He has to start being more proactive and to find a real solution to this situation, not stay in standby without interfering. It's a very irresponsible position from the owner of Telegram," she said. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. "There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices. Andrey, a Russian entrepreneur living in Brazil who, fearing retaliation, asked that NPR not use his last name, said Telegram has become one of the few places Russians can access independent news about the war. Emerson Brooking, a disinformation expert at the Atlantic Council's Digital Forensic Research Lab, said: "Back in the Wild West period of content moderation, like 2014 or 2015, maybe they could have gotten away with it, but it stands in marked contrast with how other companies run themselves today."
from sa