Нехай 𝐼 та 𝑂 — центри вписаного та описаного кіл трикутника 𝐴𝐵𝐶. Точки 𝑃 та 𝑄 такі, що 𝐴𝐼𝑂𝑃 та 𝐵𝐼𝑂𝑄 — рівнобічні трапеції (𝐴𝐼||𝑂𝑃, 𝐵𝐼||𝑂𝑄). Доведіть, що 𝐶𝑃 = 𝐶𝑄.
Нехай 𝐼 та 𝑂 — центри вписаного та описаного кіл трикутника 𝐴𝐵𝐶. Точки 𝑃 та 𝑄 такі, що 𝐴𝐼𝑂𝑃 та 𝐵𝐼𝑂𝑄 — рівнобічні трапеції (𝐴𝐼||𝑂𝑃, 𝐵𝐼||𝑂𝑄). Доведіть, що 𝐶𝑃 = 𝐶𝑄.
To that end, when files are actively downloading, a new icon now appears in the Search bar that users can tap to view and manage downloads, pause and resume all downloads or just individual items, and select one to increase its priority or view it in a chat. In 2014, Pavel Durov fled the country after allies of the Kremlin took control of the social networking site most know just as VK. Russia's intelligence agency had asked Durov to turn over the data of anti-Kremlin protesters. Durov refused to do so. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. And indeed, volatility has been a hallmark of the market environment so far in 2022, with the S&P 500 still down more than 10% for the year-to-date after first sliding into a correction last month. The CBOE Volatility Index, or VIX, has held at a lofty level of more than 30.
from cn
