Assertion: tetrahedron's face | /r/HasProperty | square
Facets:
Source sentences:
text: Regular polygons of six or more sides have only angles of 120° or more, so the common face must be the triangle, square, or pentagon.
text: Therefore, the faces can only be triangles, squares, or pentagons, so 3 ≤ m ≤ 5.
text: For example, a cube has 6 faces that are squares.