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Олимпиадная геометрия | Telegram Webview: olympgeom/1607 -
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Понравилась забавная задача. Решение довольно простое, но я не понял, что это за закон природы такой... может кто-то умеет объяснять.

На картинке три красных окружности равны. Доказать, что сумма радиусов красной и черной окружностей равна радиусу вписанной окружности треугольника.



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Понравилась забавная задача. Решение довольно простое, но я не понял, что это за закон природы такой... может кто-то умеет объяснять.

На картинке три красных окружности равны. Доказать, что сумма радиусов красной и черной окружностей равна радиусу вписанной окружности треугольника.

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"The argument from Telegram is, 'You should trust us because we tell you that we're trustworthy,'" Maréchal said. "It's really in the eye of the beholder whether that's something you want to buy into." 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. The SC urges the public to refer to the SC’s I nvestor Alert List before investing. The list contains details of unauthorised websites, investment products, companies and individuals. Members of the public who suspect that they have been approached by unauthorised firms or individuals offering schemes that promise unrealistic returns "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added. Russians and Ukrainians are both prolific users of Telegram. They rely on the app for channels that act as newsfeeds, group chats (both public and private), and one-to-one communication. Since the Russian invasion of Ukraine, Telegram has remained an important lifeline for both Russians and Ukrainians, as a way of staying aware of the latest news and keeping in touch with loved ones.
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