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Задача 46:
Автор - GeoGen, Ким Пётр, Прозоров Роман

В треугольнике ABC I - центр вписанной окружности, а D - её точка касания со стороной BC. Касательная из D к окружности (AI) пересекает AI в точке E.
Докажите, что (DEI) касается (ABC).



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Задача 46:
Автор - GeoGen, Ким Пётр, Прозоров Роман

В треугольнике ABC I - центр вписанной окружности, а D - её точка касания со стороной BC. Касательная из D к окружности (AI) пересекает AI в точке E.
Докажите, что (DEI) касается (ABC).

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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. "There are several million Russians who can lift their head up from propaganda and try to look for other sources, and I'd say that most look for it on Telegram," he said. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." Given the pro-privacy stance of the platform, it’s taken as a given that it’ll be used for a number of reasons, not all of them good. And Telegram has been attached to a fair few scandals related to terrorism, sexual exploitation and crime. Back in 2015, Vox described Telegram as “ISIS’ app of choice,” saying that the platform’s real use is the ability to use channels to distribute material to large groups at once. Telegram has acted to remove public channels affiliated with terrorism, but Pavel Durov reiterated that he had no business snooping on private conversations. Update March 8, 2022: EFF has clarified that Channels and Groups are not fully encrypted, end-to-end, updated our post to link to Telegram’s FAQ for Cloud and Secret chats, updated to clarify that auto-delete is available for group and channel admins, and added some additional links.
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