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Верю — не верю

Некоторые из приведенных ниже шести утверждений верны в общем случае. Какие?
Anonymous Poll
1. Если у двух четырехугольников совпадают все 4 вершины, то они имеют равные площади.
2. В геометрии Лобачевского для любого треугольника есть прямая, равноудалённая от всех его вершин.
3. Центр окружности, вписанной в египетский треугольник, равноудален от середин двух его сторон.
. Если р/б треугольник можно разрезать на три меньших р/б треугольника, то два из них равны.
5. Если прямая делит пополам площадь 4-угольника и 2 его стороны, то он параллелограмм или трапеция.
6. Если все вершины многогранника лежат на одной сфере, то этот многогранник выпуклый.
734 votes



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The picture was mixed overseas. Hong Kong’s Hang Seng Index fell 1.6%, under pressure from U.S. regulatory scrutiny on New York-listed Chinese companies. Stocks were more buoyant in Europe, where Frankfurt’s DAX surged 1.4%. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm. The original Telegram channel has expanded into a web of accounts for different locations, including specific pages made for individual Russian cities. There's also an English-language website, which states it is owned by the people who run the Telegram channels. Soloviev also promoted the channel in a post he shared on his own Telegram, which has 580,000 followers. The post recommended his viewers subscribe to "War on Fakes" in a time of fake news.
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