Обобщение задачи выше. Дан треугольник ABC и точка P. Точки P_a,P_b,P_c симметричны точке P относительно сторон ABC. Оказалось, что AP_a,BP_b,CP_c пересекаются в точке Q. Докажите, что T_1,T_2,P,Q лежат на одной окружности, где T_1,T_2 точки Торричелли.
Обобщение задачи выше. Дан треугольник ABC и точка P. Точки P_a,P_b,P_c симметричны точке P относительно сторон ABC. Оказалось, что AP_a,BP_b,CP_c пересекаются в точке Q. Докажите, что T_1,T_2,P,Q лежат на одной окружности, где T_1,T_2 точки Торричелли.
Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. Asked about its stance on disinformation, Telegram spokesperson Remi Vaughn told AFP: "As noted by our CEO, the sheer volume of information being shared on channels makes it extremely difficult to verify, so it's important that users double-check what they read." In view of this, the regulator has cautioned investors not to rely on such investment tips / advice received through social media platforms. It has also said investors should exercise utmost caution while taking investment decisions while dealing in 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." "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke.
from cn
