Задача. В параллелограмме 𝐴𝐵𝐶𝐷 точки 𝐸 и 𝐹 на отрезках 𝐴𝐷 и 𝐶𝐷 такие что ∠𝐵𝐶𝐸 = ∠𝐵𝐴𝐹. Точки 𝐾 и 𝐿 на отрезках 𝐴𝐷 и 𝐶𝐷 такие, что 𝐴𝐾 = 𝐸𝐷 и 𝐶𝐿 = 𝐹𝐷. Докажите, что ∠𝐵𝐾𝐷 = ∠𝐵𝐿𝐷.
Задача. В параллелограмме 𝐴𝐵𝐶𝐷 точки 𝐸 и 𝐹 на отрезках 𝐴𝐷 и 𝐶𝐷 такие что ∠𝐵𝐶𝐸 = ∠𝐵𝐴𝐹. Точки 𝐾 и 𝐿 на отрезках 𝐴𝐷 и 𝐶𝐷 такие, что 𝐴𝐾 = 𝐸𝐷 и 𝐶𝐿 = 𝐹𝐷. Докажите, что ∠𝐵𝐾𝐷 = ∠𝐵𝐿𝐷.
Telegram Messenger Blocks Navalny Bot During Russian Election Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. A Russian Telegram channel with over 700,000 followers is spreading disinformation about Russia's invasion of Ukraine under the guise of providing "objective information" and fact-checking fake news. Its influence extends beyond the platform, with major Russian publications, government officials, and journalists citing the page's posts. "Markets were cheering this economic recovery and return to strong economic growth, but the cheers will turn to tears if the inflation outbreak pushes businesses and consumers to the brink of recession," he added. Some privacy experts say Telegram is not secure enough
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