Разминка дня №35 (авторская, мордовский муницип 10.3):
Дана трапеция ABCD с основаниями AB и CD такая, что AC перпендикулярно CD. E на BC такова, что ∠DAC = ∠CAE. BD пересекает AC в точке F. Докажите, что EF || CD.
Разминка дня №35 (авторская, мордовский муницип 10.3):
Дана трапеция ABCD с основаниями AB и CD такая, что AC перпендикулярно CD. E на BC такова, что ∠DAC = ∠CAE. BD пересекает AC в точке F. Докажите, что EF || CD.
Telegram was co-founded by Pavel and Nikolai Durov, the brothers who had previously created VKontakte. VK is Russia’s equivalent of Facebook, a social network used for public and private messaging, audio and video sharing as well as online gaming. In January, SimpleWeb reported that VK was Russia’s fourth most-visited website, after Yandex, YouTube and Google’s Russian-language homepage. In 2016, Forbes’ Michael Solomon described Pavel Durov (pictured, below) as the “Mark Zuckerberg of Russia.” 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. In a statement, the regulator said the search and seizure operation was carried out against seven individuals and one corporate entity at multiple locations in Ahmedabad and Bhavnagar in Gujarat, Neemuch in Madhya Pradesh, Delhi, and Mumbai. Additionally, investors are often instructed to deposit monies into personal bank accounts of individuals who claim to represent a legitimate entity, and/or into an unrelated corporate account. To lend credence and to lure unsuspecting victims, perpetrators usually claim that their entity and/or the investment schemes are approved by financial authorities. Despite Telegram's origins, its approach to users' security has privacy advocates worried.
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