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.
For Oleksandra Tsekhanovska, head of the Hybrid Warfare Analytical Group at the Kyiv-based Ukraine Crisis Media Center, the effects are both near- and far-reaching. In a message on his Telegram channel recently recounting the episode, Durov wrote: "I lost my company and my home, but would do it again – without hesitation." 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. Stocks closed in the red Friday as investors weighed upbeat remarks from Russian President Vladimir Putin about diplomatic discussions with Ukraine against a weaker-than-expected print on U.S. consumer sentiment.
from tw