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References
1
1.Plaza, Angel, The parallelogram with maximum perimeter for given diagonals is the rhombus – A proof without words and a corollary, Math. Mag.88 (2015) pp. 360–361.CrossRefGoogle Scholar
2
2.Honsberger, Ross, Mathematical Morsels, Dolciani Mathematical Expositions, No. 3, Mathematical Association of America, Washington, D. C. (1978).Google Scholar
3
3.Honsberger, Ross, Mathematical Gems III, Dolciani Mathematical Expositions, No. 9, Mathematical Association of America, Washington, D. C. (1985).Google Scholar
4
4.Hajja, Mowaffaq, Another morsel of Honsberger, Math. Mag.83 (2010) pp. 279–283.CrossRefGoogle Scholar
5
5.Josefsson, Martin, Characterizations of orthodiagonal quadrilaterals, Forum Geom.12 (2012) pp. 13–25.Google Scholar