Assertion: pyramid's base | /r/HasProperty | regular polygon
Facets:
value: with side length
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: When the base is a regular polygon it is a Regular Pyramid, otherwise it is an Irregular Pyramid.
text: For example, the volume of a pyramid whose base is an n-sided regular polygon with side length s and whose height is h is
text: If the base is regular and the line through the apexes intersects the base at its center, the symmetry group of the n-gonal bipyramid has dihedral symmetry D nh of order 4n, except in the case of a regular octahedron, which has the larger octahedral symmetry group O h of order 48, which has three versions of D 4h as subgroups.
text: If the pyramid is oblique (leaning to one side) or the base is irregular, there is no straightforward way to find the surface area.
text: The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangles.
text: The base of the trapezoidal pyramid above is a trapezoid, which is an irregular polygon.
text: If the base is a regular five-sided polygon, the figures are called pentagonal prism and pentagonal pyramid.
text: The base is usually a regular polygon, but it need not be.
text: If the base of a pyramid is a regular polygon, it is a regular pyramid.
text: The base of the square pyramid above is a square, which is a regular polygon.
text: For example, the volume of a pyramid whose base is an n-sided regular polygon with side length s and whose height is h is