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computational 3D geo , ABCD (III Soros Olympiad 1996-97 R3 9.3)

Source:

May 31, 2024
geometry3D geometry

Problem Statement

Let ABCDABCD be a three-link broken line in space, all links of which are equal and ∠BCD=90o\angle BCD=90^o. Find the distance from AA to the midpoint of BDBD, if AD=aAD = a.



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