Proof Without Words: Trisection of a Parallelogram’s Diagonal (p. 58)
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.
How to Cite:
Oxman, V. & Stupel, M., (2020) “Proof Without Words: Trisection of a Parallelogram’s Diagonal (p. 58)”, Ohio Journal of School Mathematics 84.
Rights: Victor Oxman, Moshe Stupel
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