Quadrilateralsfigure, ABCD is a quadrilateral D3i3ne of its diagonals. – InterviewSolution

1.	Quadrilateralsfigure, ABCD is a quadrilateral D3i3ne of its diagonals. Prove thatis one of its diagonBC+ CDaAB + BC + CD + DA > 2AC) AB + BC + CD > DAR+BC+CD+ DAAC+ BD
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