Пусть X и Y - проекции ортоцентра H треугольника ABC на внутреннюю и внешнюю биссектрисы угла B. Докажите, что прямая XY проходит через середину стороны AC.
Пусть X и Y - проекции ортоцентра H треугольника ABC на внутреннюю и внешнюю биссектрисы угла B. Докажите, что прямая XY проходит через середину стороны AC.
Also in the latest update is the ability for users to create a unique @username from the Settings page, providing others with an easy way to contact them via Search or their t.me/username link without sharing their phone number. "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. And while money initially moved into stocks in the morning, capital moved out of safe-haven assets. The price of the 10-year Treasury note fell Friday, sending its yield up to 2% from a March closing low of 1.73%. For tech stocks, “the main thing is yields,” Essaye said. Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences.
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