Maths Olympiad Prep

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CEMC Hypatia, 2009

Geometry Difficulty 3.0 AMC 10/12 Prove it Canada

A solid right prism ABCDEFABCDEF has a height of 1616, as shown. Also, its bases are equilateral triangles with side length 1212. Points XX, YY, and ZZ are the midpoints of edges ACAC, BCBC, and DCDC, respectively. Determine the lengths of XYXY, YZYZ and XZXZ.

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