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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.
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Telegram | DID YOU KNOW?

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Pavel Durov, a billionaire who embraces an all-black wardrobe and is often compared to the character Neo from "the Matrix," funds Telegram through his personal wealth and debt financing. And despite being one of the world's most popular tech companies, Telegram reportedly has only about 30 employees who defer to Durov for most major decisions about the platform. There was another possible development: Reuters also reported that Ukraine said that Belarus could soon join the invasion of Ukraine. However, the AFP, citing a Pentagon official, said the U.S. hasn’t yet seen evidence that Belarusian troops are in Ukraine. 'Wild West' That hurt tech stocks. For the past few weeks, the 10-year yield has traded between 1.72% and 2%, as traders moved into the bond for safety when Russia headlines were ugly—and out of it when headlines improved. Now, the yield is touching its pandemic-era high. If the yield breaks above that level, that could signal that it’s on a sustainable path higher. Higher long-dated bond yields make future profits less valuable—and many tech companies are valued on the basis of profits forecast for many years in the future. Telegram has gained a reputation as the “secure” communications app in the post-Soviet states, but whenever you make choices about your digital security, it’s important to start by asking yourself, “What exactly am I securing? And who am I securing it from?” These questions should inform your decisions about whether you are using the right tool or platform for your digital security needs. Telegram is certainly not the most secure messaging app on the market right now. Its security model requires users to place a great deal of trust in Telegram’s ability to protect user data. For some users, this may be good enough for now. For others, it may be wiser to move to a different platform for certain kinds of high-risk communications.
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