На стороне BC треугольника ABC с ортоцентром H отмечена точка M. Перпендикуляр к BC в точке M пересекает прямые BH и CH в точках P и Q соответственно. Докажите, что ортоцентр треугольника HPQ лежит на прямой AM.
На стороне BC треугольника ABC с ортоцентром H отмечена точка M. Перпендикуляр к BC в точке M пересекает прямые BH и CH в точках P и Q соответственно. Докажите, что ортоцентр треугольника HPQ лежит на прямой AM.
The Dow Jones Industrial Average fell 230 points, or 0.7%. Meanwhile, the S&P 500 and the Nasdaq Composite dropped 1.3% and 2.2%, respectively. All three indexes began the day with gains before selling off. Friday’s performance was part of a larger shift. For the week, the Dow, S&P 500 and Nasdaq fell 2%, 2.9%, and 3.5%, respectively. As such, the SC would like to remind investors to always exercise caution when evaluating investment opportunities, especially those promising unrealistically high returns with little or no risk. Investors should also never deposit money into someone’s personal bank account if instructed. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. In addition, Telegram's architecture limits the ability to slow the spread of false information: the lack of a central public feed, and the fact that comments are easily disabled in channels, reduce the space for public pushback.
from cn
