Касательную в произвольной точке к описанной окружности треугольника ABC отразили относительно его сторон. Докажите, что описанная окружность треугольника, образованного тремя полученными прямыми, касается окружности (ABC).
Касательную в произвольной точке к описанной окружности треугольника ABC отразили относительно его сторон. Докажите, что описанная окружность треугольника, образованного тремя полученными прямыми, касается окружности (ABC).
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. As a result, the pandemic saw many newcomers to Telegram, including prominent anti-vaccine activists who used the app's hands-off approach to share false information on shots, a study from the Institute for Strategic Dialogue shows. He adds: "Telegram has become my primary news source." 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. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
from ua