Внутри правильного шестиугольника взяли другой правильный шестиугольник, после чего соединили их соответствующие вершины. Докажите, что сумма площадей красных четырехугольников равна сумме площадей синих шестиугольников. Верно ли, что сумма квадратов площадей красных равна сумме квадратов площадей синих?
Внутри правильного шестиугольника взяли другой правильный шестиугольник, после чего соединили их соответствующие вершины. Докажите, что сумма площадей красных четырехугольников равна сумме площадей синих шестиугольников. Верно ли, что сумма квадратов площадей красных равна сумме квадратов площадей синих?
But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website. The perpetrators use various names to carry out the investment scams. They may also impersonate or clone licensed capital market intermediaries by using the names, logos, credentials, websites and other details of the legitimate entities to promote the illegal schemes. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Lastly, the web previews of t.me links have been given a new look, adding chat backgrounds and design elements from the fully-features Telegram Web client. 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."
from fr