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”, Ohio Journal of School Mathematics 84(1), 58.
Rights
Victor Oxman, Moshe Stupel