Задача. Дан параллелограмм 𝐴𝐵𝐶𝐷. На стороне 𝐴𝐷 выбрана точка 𝑋 таким образом, что ∠𝑋𝐶𝐷 = ∠𝐵𝐶𝐴. Прямые 𝐶𝑋 и 𝐴𝐵 пересеклись в точке 𝑌. Точка 𝑂 центр описанной окружности треугольника 𝐴𝑋𝑌. Докажите, что прямая 𝐶𝑂 перпендикулярна прямой 𝐵𝐷.
Желаем вам получить удовольствие от выбора подарков 🎁
Задача. Дан параллелограмм 𝐴𝐵𝐶𝐷. На стороне 𝐴𝐷 выбрана точка 𝑋 таким образом, что ∠𝑋𝐶𝐷 = ∠𝐵𝐶𝐴. Прямые 𝐶𝑋 и 𝐴𝐵 пересеклись в точке 𝑌. Точка 𝑂 центр описанной окружности треугольника 𝐴𝑋𝑌. Докажите, что прямая 𝐶𝑂 перпендикулярна прямой 𝐵𝐷.
Желаем вам получить удовольствие от выбора подарков 🎁
In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. The news also helped traders look past another report showing decades-high inflation and shake off some of the volatility from recent sessions. The Bureau of Labor Statistics' February Consumer Price Index (CPI) this week showed another surge in prices even before Russia escalated its attacks in Ukraine. The headline CPI — soaring 7.9% over last year — underscored the sticky inflationary pressures reverberating across the U.S. economy, with everything from groceries to rents and airline fares getting more expensive for everyday consumers. Official government accounts have also spread fake fact checks. An official Twitter account for the Russia diplomatic mission in Geneva shared a fake debunking video claiming without evidence that "Western and Ukrainian media are creating thousands of fake news on Russia every day." The video, which has amassed almost 30,000 views, offered a "how-to" spot misinformation. Under the Sebi Act, the regulator has the power to carry out search and seizure of books, registers, documents including electronics and digital devices from any person associated with the securities market. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world."
from id
