Четырехугольник ABCD вписан в окружность с центром O. Лучи BA и CD пересекаются в точке E, а лучи AD и BC в точке F. Оказалось, что ED = FD. Докажите, что инцентры треугольников ADE и CDF равноудалены от O
Четырехугольник ABCD вписан в окружность с центром O. Лучи BA и CD пересекаются в точке E, а лучи AD и BC в точке F. Оказалось, что ED = FD. Докажите, что инцентры треугольников ADE и CDF равноудалены от O
The Russian invasion of Ukraine has been a driving force in markets for the past few weeks. The message was not authentic, with the real Zelenskiy soon denying the claim on his official Telegram channel, but the incident highlighted a major problem: disinformation quickly spreads unchecked on the encrypted app. 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%. Some privacy experts say Telegram is not secure enough He floated the idea of restricting the use of Telegram in Ukraine and Russia, a suggestion that was met with fierce opposition from users. Shortly after, Durov backed off the idea.
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