Mathematics
Mathematics, 16.11.2020 17:20, Chewychipsx4023

A)demonstreaza ca patrulaterul determinat de mijloacele laturilor unui patrulater oarecare ABCD este un paralelogram, numit paralelogramul lui Varignon b)in ce conditii paralelogramul lui Varignon este romb?
c)in ce conditii paralelogramul lui Varignon este dreptunghi?

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A)demonstreaza ca patrulaterul determinat de mijloacele laturilor unui patrulater oarecare ABCD este...

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