Assertion: triangle | /r/HasAspect | three vertices
Facets:
value: with internal angle
type: OTHER
Source sentences:
text: A triangle has three sides, three vertices, and three angles.
text: A 2-dimensional triangle has one 2-dimensional element (itself), three 1-dimensional elements (lines, or edges), and three 0-dimensional elements (vertices, or corners).
text: Any triangles that shared vt have that vertex replaced by vk.
text: It is not possible for a triangle to have more than one vertex with internal angle greater than or equal to 90°, or it would no longer be a triangle.
text: It has three straight sides and three vertices.
text: Since a triangle has three vertices, it follows that it can have only three medians.
text: A triangle is a polygon that has three vertices.