Equable kites, trapezoids and cyclic quadrilaterals on the Eisenstein Lattice

نویسندگان

1 Department of Mathematical and Physical Sciences, La Trobe University Melbourne, Australia

2 Collège Calvin Geneva, Switzerland

doi
10.22108/toc.2024.140684.2150
چکیده

We show that on the Eisenstein lattice, up to Euclidean motions, there is only one infinite family of equable kites, which is given by the Pell-like equation $3x^2-2=y^2$, and only one single equable trapezoid, which also happens to be the only equable cyclic quadrilateral.

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