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Некоторые из предлагаемых шести утверждений на плоскости верны в общем случае. Отметьте их.
Anonymous Poll
1. У любого пятиугольника есть тупой угол.
2. Шесть прямых могут иметь ровно 7 точек пересечения.
3. Любую трапецию можно разрезать на две прямоугольные трапеции.
4. Окружность, вписанная в треугольник со сторонами 4, 5 и 7, касается его средней линии.
5. Сумма трех углов вписанного в окружность шестиугольника равна 360 градусов.
6. Только правильный треугольник можно разрезать на три равных треугольника.
847 votes



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Telegram | DID YOU KNOW?

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Now safely in France with his spouse and three of his children, Kliuchnikov scrolls through Telegram to learn about the devastation happening in his home country. So, uh, whenever I hear about Telegram, it’s always in relation to something bad. What gives? I want a secure messaging app, should I use Telegram? 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. 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.
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