Unlike Euclidean triangles whose angles always add up to 180 °, the sum of the angles of a hyperbolic triangle is always strictly less than 180 ° or π radians.
The sum of the angles of a hyperbolic triangle is always strictly less than 180 ° or π radians. Unlike Euclidean triangles whose angles always add up to 180 °.
Unlike Euclidean triangles whose angles always add up to 180 °. The sum of the angles of a hyperbolic triangle is always strictly less than 180 ° or π radians.
Unlike Euclidean triangles whose angles always add up to 180 °. The sum of the angles of a hyperbolic triangle is always strictly less than 180 ° or π radians.