Hyperbolic Triangle Playground
Click 3 points inside the disk to form a triangle, or drag vertices to explore.
Angle A:
--
Angle B:
--
Angle C:
--
Angle Sum:
--
Defect (= Area):
--
Euclidean (flat): 180.0°
Hyperbolic (here): --
Angle sum is always < 180° in hyperbolic space!
Presets: