In convex quadrilateral ABCD, K is midpoint of AB, M is midpoint CD,. Prove that $ KM \le \frac{BC+AD}{2} $.

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- October 26th 2010, 10:32 AMolkaabcinequality in quadrilateral
In convex quadrilateral ABCD, K is midpoint of AB, M is midpoint CD,. Prove that $ KM \le \frac{BC+AD}{2} $.

- October 26th 2010, 11:06 AMWilmer
- October 26th 2010, 11:35 AMPlato