Assertion: octahedron's face | /r/HasProperty | equilateral
Facets:
Source sentences:
text: Two faces are equilateral, lie on parallel planes, and have a common axis of symmetry.
text: Among them are five of the eight convex deltahedra, which have identical, regular faces (all equilateral triangles) but are not uniform.
text: In the given figure, there are 8 faces and each face is an equilateral triangle
text: Each face is an Equilateral Triangle
text: The faces can be triangles, quadrilaterals, pentagons, hexagons or heptagons.
text: : Two faces are equilateral, lie on parallel planes, and have a common axis of symmetry.
text: It is not possible for all triangular faces to be equilateral.
text: Two faces are equilateral, lie on parallel planes, and have a common axis of symmetry.
text: : Two faces are equilateral, lie on parallel planes, and have a common axis of symmetry.
text: It is not possible for all triangular faces to be equilateral.
text: It is not possible for all triangular faces to be equilateral.
text: The hexagonal faces are equilateral but not regular.
text: The hexagonal faces are equilateral but not regular.
text: The octahedron is a polyhedron of eight faces, regular when all the faces are equilateral triangles.
text: The faces are equilateral triangles.
text: The five platonic solids, or regular polyhedra, are: the tetrahedron (consisting of four faces that are equilateral triangles), the hexahedron, also known as a cube (consisting of six square faces), the octahedron (consisting of eight faces that are equilateral triangles), the dodecahedron (12 pentagons), and the icosahedron (20 equilateral triangles).
text: The five platonic solids, or regular polyhedra, are: the tetrahedron (consisting of four faces that are equilateral triangles), the hexahedron, also known as a cube (consisting of six square faces), the octahedron (consisting of eight faces that are equilateral triangles), the dodecahedron (12 pentagons), and the icosahedron (20 equilateral triangles).
text: This definition rules out, for example, the square pyramid (since although all the faces are regular, the square base is not congruent to the triangular sides), or the shape formed by joining two tetrahedra together (since although all faces of that triangular bipyramid would be equilateral triangles, that is, congruent and regular, some vertices have 3 triangles and others have 4).
text: Tetrahedron A tetrahedron has four faces that are equilateral triangles.
text: It is an isohedral deltahedron, meaning that its faces are equilateral triangles and that it has a symmetry taking every face to every other face.
text: Since each face is an equilateral triangle, we know from The Equilateral Triangle that the area for one face is
text: Each face is an equilateral triangle, each vertex figure a square.
text: If each face is an equilateral triangle, then it is one of the five regular polyhedra.
text: Each face is an Equilateral Triangle
text: A closed crystallographic form with isometric symmetry and eight faces, each an equilateral triangle; sometimes called a regular octahedron to distinguish it from the more general usage defined below.
text: The faces can be triangles, quadrilaterals, pentagons, hexagons or heptagons.