Mediana (geometrija): Razlika med redakcijama
Izbrisana vsebina Dodana vsebina
m Dodal {{distinguish}} |
m pp ref |
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Vrstica 22:
:<math>a = \frac{2}{3} \sqrt{-m_a^2 + 2m_b^2 + 2m_c^2} = \sqrt{2(b^2+c^2)-4m_a^2} = \sqrt{\frac{b^2}{2} - c^2 + 2m_b^2} = \sqrt{\frac{c^2}{2} - b^2 + 2m_c^2},</math>
Iz tega dobimo naslednje zveze <ref>{{navedi knjigo |last=Déplanche |first=Y. |title=Diccio fórmulas |language= |others=Medianas de un triángulo |year=1996 |publisher=Edunsa |isbn=9788477471196 |page=22 |url=http://books.google.com/books?id=1HVHOwAACAAJ |accessdate=24
:<math>b = \frac{2}{3} \sqrt{-m_b^2 + 2m_a^2 + 2m_c^2} = \sqrt{2(a^2+c^2)-4m_b^2} = \sqrt{\frac{a^2}{2} - c^2 + 2m_a^2} = \sqrt{\frac{c^2}{2} - a^2 + 2m_c^2},</math>
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