Les angles [math]\widehat{BEF}[/math] et [math]\widehat{CEF}[/math] sont alternes-internes,
ainsi que les angles [math]\widehat{DFE}[/math] et [math]\widehat{AEF}[/math].
- Target Group (Age)
- 11 – 14
- Language
- French / Français
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