думаю це відомий факт, але виглядає прикольно. через A, B ,C, O, H провели гіперболу і вибрали на ній точку X. прямі AX, BX, CX перетинають описане коло в D, E, F які відобразили відносно BC, CA, AB отримавши D', E', F'. доведіть, що трикутники ABC і D'E'F' перспективні.
думаю це відомий факт, але виглядає прикольно. через A, B ,C, O, H провели гіперболу і вибрали на ній точку X. прямі AX, BX, CX перетинають описане коло в D, E, F які відобразили відносно BC, CA, AB отримавши D', E', F'. доведіть, що трикутники ABC і D'E'F' перспективні.
On Feb. 27, however, he admitted from his Russian-language account that "Telegram channels are increasingly becoming a source of unverified information related to Ukrainian events." Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin. Perpetrators of these scams will create a public group on Telegram to promote these investment packages that are usually accompanied by fake testimonies and sometimes advertised as being Shariah-compliant. Interested investors will be asked to directly message the representatives to begin investing in the various investment packages offered. Russian President Vladimir Putin launched Russia's invasion of Ukraine in the early-morning hours of February 24, targeting several key cities with military strikes. These entities are reportedly operating nine Telegram channels with more than five million subscribers to whom they were making recommendations on selected listed scrips. Such recommendations induced the investors to deal in the said scrips, thereby creating artificial volume and price rise.
from sg
