Дано трикутник АВС, точки D та Е на його сторонах задовольняють умову BD = EC. Пряма DE перетинає пряму ВС в точці F, а точка N — середина дуги ВАС описаного колa трикутника ABC. Точка Х — інцентр трикутника ECF, а точка Y — центр зовнівписаного кола DBF. Доведіть, що NX = NY.
Дано трикутник АВС, точки D та Е на його сторонах задовольняють умову BD = EC. Пряма DE перетинає пряму ВС в точці F, а точка N — середина дуги ВАС описаного колa трикутника ABC. Точка Х — інцентр трикутника ECF, а точка Y — центр зовнівписаного кола DBF. Доведіть, що NX = NY.
He adds: "Telegram has become my primary news source." It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Maréchal of the Washington advocacy group Ranking Digital Rights. Update March 8, 2022: EFF has clarified that Channels and Groups are not fully encrypted, end-to-end, updated our post to link to Telegram’s FAQ for Cloud and Secret chats, updated to clarify that auto-delete is available for group and channel admins, and added some additional links. "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.
from ms
