Задача 46: Автор - GeoGen, Ким Пётр, Прозоров Роман
В треугольнике ABC I - центр вписанной окружности, а D - её точка касания со стороной BC. Касательная из D к окружности (AI) пересекает AI в точке E. Докажите, что (DEI) касается (ABC).
Задача 46: Автор - GeoGen, Ким Пётр, Прозоров Роман
В треугольнике ABC I - центр вписанной окружности, а D - её точка касания со стороной BC. Касательная из D к окружности (AI) пересекает AI в точке E. Докажите, что (DEI) касается (ABC).
Despite Telegram's origins, its approach to users' security has privacy advocates worried. Recently, Durav wrote on his Telegram channel that users' right to privacy, in light of the war in Ukraine, is "sacred, now more than ever." The last couple days have exemplified that uncertainty. On Thursday, news emerged that talks in Turkey between the Russia and Ukraine yielded no positive result. But on Friday, Reuters reported that Russian President Vladimir Putin said there had been some “positive shifts” in talks between the two sides. There was another possible development: Reuters also reported that Ukraine said that Belarus could soon join the invasion of Ukraine. However, the AFP, citing a Pentagon official, said the U.S. hasn’t yet seen evidence that Belarusian troops are in Ukraine. Ukrainian President Volodymyr Zelensky said in a video message on Tuesday that Ukrainian forces "destroy the invaders wherever we can."
from hk
