Задача. В равнобедренном треугольнике 𝐴𝐵𝐶 (𝐴𝐵 = 𝐴𝐶 < 𝐵𝐶) на сторонах 𝐵𝐶 и 𝐴𝐵 отмечены точки 𝑃 и 𝑄 соответственно так, что 𝑃𝑄 перпендикулярно 𝐴𝐵 и 𝑃𝑄 делит периметр треугольника пополам. Докажите, что 𝐴𝐵 = 𝐵𝑃.
Задача. В равнобедренном треугольнике 𝐴𝐵𝐶 (𝐴𝐵 = 𝐴𝐶 < 𝐵𝐶) на сторонах 𝐵𝐶 и 𝐴𝐵 отмечены точки 𝑃 и 𝑄 соответственно так, что 𝑃𝑄 перпендикулярно 𝐴𝐵 и 𝑃𝑄 делит периметр треугольника пополам. Докажите, что 𝐴𝐵 = 𝐵𝑃.
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. "And that set off kind of a battle royale for control of the platform that Durov eventually lost," said Nathalie Maréchal of the Washington advocacy group Ranking Digital Rights. 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. Continuing its crackdown against entities allegedly involved in a front-running scam using messaging app Telegram, Sebi on Thursday carried out search and seizure operations at the premises of eight entities in multiple locations across the country. Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government.
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