Teorema bisectoarei. Orice bisectoare a unui triunghi împarte latura opusă în segmente proporţionale cu celelalte două laturi (Frans van Schooten).

Teorema bisectoarei
-\frac {\overline {A_1B}}{\overline {A_1C}} = \frac{\|AB\|}{\|AC\|} = \frac {\overline {A_2B}}{\overline {A_2C}}. \!

Resurse Edit

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