You can move point A, B and C. Points D and E divide AB in ratio u : 1 - 2u : u. The same happens in BC and CA with points F, G, H, and I.[br][br]You can see that the ratios t/h etc. remain constant if you move point A, B and C.[br][br]Read more at [url=https://mikkorahikka.blog/2025/08/21/mikon-kuusikulmio-kolmiossa-lauseet/]https://mikkorahikka.blog/2025/08/21/mikon-kuusikulmio-kolmiossa-lauseet/[/url][br]