Proof Without Words: Trisection of a Parallelogram’s Diagonal (p. 58)

Victor Oxman, Moshe Stupel

Abstract


Given a parallelogram ABCD, E and F are the midpoints of AB and CD. H, I are the points of intersection of diagonal BD with lines EC and AF. Then BH=HI=ID.


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Copyright (c) 2020 Victor Oxman, Moshe Stupel

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ISSN 2472-5986 (print)
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