Условие: 2 окружности пересекаются в точках А и В. через В проведена прямая, которая пересекает первую окружность в точке С, вторую в точке D. из точки В проведено 2 луча, которые пересекают первую окружность в точке P, вторую в точке Q, отрезок АС в точке М, отрезок АD в точке N. Оказалось, что MNPQ - вписанный. докажите, что если O - центр окружности (ACD) то ВO перпендикулярно МN
Условие: 2 окружности пересекаются в точках А и В. через В проведена прямая, которая пересекает первую окружность в точке С, вторую в точке D. из точки В проведено 2 луча, которые пересекают первую окружность в точке P, вторую в точке Q, отрезок АС в точке М, отрезок АD в точке N. Оказалось, что MNPQ - вписанный. докажите, что если O - центр окружности (ACD) то ВO перпендикулярно МN
"Like the bombing of the maternity ward in Mariupol," he said, "Even before it hits the news, you see the videos on the Telegram channels." 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. 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. "The inflation fire was already hot and now with war-driven inflation added to the mix, it will grow even hotter, setting off a scramble by the world’s central banks to pull back their stimulus earlier than expected," Chris Rupkey, chief economist at FWDBONDS, wrote in an email. "A spike in inflation rates has preceded economic recessions historically and this time prices have soared to levels that once again pose a threat to growth." Markets continued to grapple with the economic and corporate earnings implications relating to the Russia-Ukraine conflict. “We have a ton of uncertainty right now,” said Stephanie Link, chief investment strategist and portfolio manager at Hightower Advisors. “We’re dealing with a war, we’re dealing with inflation. We don’t know what it means to earnings.”
from tr
