Difference between revisions of "2006 iTest Problems/Problem U8"
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Revision as of 22:10, 17 November 2019
Problem
Let , and let be the sum of the digits of . Cyclic quadrilateral has side lengths , , , and . Let and be the midpoints of sides and . The diagonals and intersect at and respectively. can be expressed as where and are relatively prime positive integers. Determine .