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MATH / Let ABCD be a convex quadrilateral, and let M and N be the midpoints of (AC)¯ and (BD)¯, respectively. Then there exists a constant k so that AB²+BC²+CD²+DA²=AC²+BD²+k⋅MN².Find k. … · Discussion

Discussing Let ABCD be a convex quadrilateral, and let M and N be the midpoints of (AC)¯ and (BD)¯, respectively. Then there exists a constant k so that AB²+BC²+CD²+DA²=AC²+BD²+k⋅MN².Find k. … · MATH

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