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# ideal triangle

In hyperbolic geometry, an *ideal triangle* is a set of three lines which connect three distinct points on the boundary of the model of hyperbolic geometry.

Below is an example of an ideal triangle in the Beltrami-Klein model:

Below is an example of an ideal triangle in the Poincaré disc model:

Below are some examples of ideal triangles in the upper half plane model:

Related:

LimitingTriangle

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Reference

Type of Math Object:

Definition

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## Mathematics Subject Classification

51M10*no label found*51-00

*no label found*

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