# Thread: Area of a hyperbolic triangle

1. ## Area of a hyperbolic triangle

In a Pointcare disc model, how to find the area of a hyperbolic triangle with vertices 0, i and (sqr(2)) - 1 ??

2. ## Re: Area of a hyperbolic triangle

Hey yfishmoony.

Have you tried setting up an integral for a portion of the surface in that particular co-ordinate system?