Patate9838 Patate9838
  • 10-01-2024
  • Mathematics
contestada

Théorème de Varignon

On considère un quadrilatère quelconque ABCD, et I, J, K et L les milieux respectifs des segments [A B], [BC], [CD] et[DA].
4)Montrer que AB=2IJ

5) Démontrer que le quadrilatère IJKL est un parallélogramme

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