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.
The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. "This time we received the coordinates of enemy vehicles marked 'V' in Kyiv region," it added. 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. However, the perpetrators of such frauds are now adopting new methods and technologies to defraud the investors. As the war in Ukraine rages, the messaging app Telegram has emerged as the go-to place for unfiltered live war updates for both Ukrainian refugees and increasingly isolated Russians alike.
from us