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P₁ и P₂ - изогонально сопряжены в треугольнике ABC. X₁ и X₂ - проекции B на AP₁ и AP₂, а Y₁ и Y₂ - проекции B на CP₁ и CP₂ соответственно.
1) Точки X₁ и X₂, Y₁ и Y₂ симметричны относительно средней линии треугольника ABC. Если P₁ и P₂ совпадают (случай инцентра), то X₁ = X₂, Y₁ = Y₂ лежат на средней линии.
2) Обобщённые точки 255 лежат на хордах педальной окружности точек P₁ и P₂. Если A₁, B₁, C₁ и A₂, B₂, C₂ - проекции точек P₁ и P₂ на стороны BC, AC и AB треугольника соответственно, то X₁ ∈ A₁B₂, X₂ ∈ A₂B₁, Y₁ ∈ B₂C₁, Y ∈ B₁C₂.
P₁ и P₂ - изогонально сопряжены в треугольнике ABC. X₁ и X₂ - проекции B на AP₁ и AP₂, а Y₁ и Y₂ - проекции B на CP₁ и CP₂ соответственно.
1) Точки X₁ и X₂, Y₁ и Y₂ симметричны относительно средней линии треугольника ABC. Если P₁ и P₂ совпадают (случай инцентра), то X₁ = X₂, Y₁ = Y₂ лежат на средней линии.
2) Обобщённые точки 255 лежат на хордах педальной окружности точек P₁ и P₂. Если A₁, B₁, C₁ и A₂, B₂, C₂ - проекции точек P₁ и P₂ на стороны BC, AC и AB треугольника соответственно, то X₁ ∈ A₁B₂, X₂ ∈ A₂B₁, Y₁ ∈ B₂C₁, Y ∈ B₁C₂.
The next bit isn’t clear, but Durov reportedly claimed that his resignation, dated March 21st, was an April Fools’ prank. TechCrunch implies that it was a matter of principle, but it’s hard to be clear on the wheres, whos and whys. Similarly, on April 17th, the Moscow Times quoted Durov as saying that he quit the company after being pressured to reveal account details about Ukrainians protesting the then-president Viktor Yanukovych. 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." One thing that Telegram now offers to all users is the ability to “disappear” messages or set remote deletion deadlines. That enables users to have much more control over how long people can access what you’re sending them. Given that Russian law enforcement officials are reportedly (via Insider) stopping people in the street and demanding to read their text messages, this could be vital to protect individuals from reprisals. Official government accounts have also spread fake fact checks. An official Twitter account for the Russia diplomatic mission in Geneva shared a fake debunking video claiming without evidence that "Western and Ukrainian media are creating thousands of fake news on Russia every day." The video, which has amassed almost 30,000 views, offered a "how-to" spot misinformation. To that end, when files are actively downloading, a new icon now appears in the Search bar that users can tap to view and manage downloads, pause and resume all downloads or just individual items, and select one to increase its priority or view it in a chat.
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