Assertion: hyperbolic triangle | /r/HasAspect | measures of angles
Facets:
value: to less than 180°
type: OTHER
Source sentences:
text: While the measures of the internal angles in planar triangles always sum to 180°, a hyperbolic triangle has measures of angles that sum to less than 180°, and a spherical triangle has measures of angles that sum to more than 180°.