This article is cited in 3 papers

Geometry and topology

On trapezoid area on the Lobachevskii plane

D. Yu. Sokolova

Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk

Abstract: In this paper we give a formula for the area of a hyperbolic trapezoid in terms of its side lengths.

Keywords: trapezoid, hyperbolic geometry, area.

UDC: 514.13

MSC: 51M09

Received December 18, 2011, published May 14, 2012