mogosandrei007
mogosandrei007 mogosandrei007
  • 17-03-2024
  • Mathematics
contestada

In rombul ABCD, consideram E ∈ (BC), F ∈ AC si G ∈ AB, astfel incat EF ║ AB si EG ║ AC demonstarti ca [tex]\frac{CF}{CA} +\frac{BG}{AB} =1[/tex]

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