Задача. Дан прямоугольник 𝐴𝐵𝐶𝐷, точки 𝑀 – середина стороны 𝐴𝐷, 𝑁 – середина стороны 𝐵𝐶. Возьмем точку 𝑃 на продолжении 𝐶𝐷 за точку 𝐷. Обозначим точку пересечения прямых 𝑃𝑀 и 𝐴𝐶 через 𝑄. Докажите, что ∠𝑄𝑁𝑀 = ∠𝑀𝑁𝑃.
Задача. Дан прямоугольник 𝐴𝐵𝐶𝐷, точки 𝑀 – середина стороны 𝐴𝐷, 𝑁 – середина стороны 𝐵𝐶. Возьмем точку 𝑃 на продолжении 𝐶𝐷 за точку 𝐷. Обозначим точку пересечения прямых 𝑃𝑀 и 𝐴𝐶 через 𝑄. Докажите, что ∠𝑄𝑁𝑀 = ∠𝑀𝑁𝑃.
Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. On Telegram’s website, it says that Pavel Durov “supports Telegram financially and ideologically while Nikolai (Duvov)’s input is technological.” Currently, the Telegram team is based in Dubai, having moved around from Berlin, London and Singapore after departing Russia. Meanwhile, the company which owns Telegram is registered in the British Virgin Islands. Despite Telegram's origins, its approach to users' security has privacy advocates worried. The last couple days have exemplified that uncertainty. On Thursday, news emerged that talks in Turkey between the Russia and Ukraine yielded no positive result. But on Friday, Reuters reported that Russian President Vladimir Putin said there had been some “positive shifts” in talks between the two sides. The account, "War on Fakes," was created on February 24, the same day Russian President Vladimir Putin announced a "special military operation" and troops began invading Ukraine. The page is rife with disinformation, according to The Atlantic Council's Digital Forensic Research Lab, which studies digital extremism and published a report examining the channel.
from in
