Adjective:

ஐங்கோண,

pentagonal's Usage Examples:

1 shows P the cube {100}, d the octahedron {III }, and e the pentagonal dodecahedron {210}.

St Catherine's, of the middle of the 13th century, is Gothic, with a pentagonal apse.

It is enclosed by 20 triangular faces belonging to the original icosahedron, and 12 pentagonal faces belonging to the coaxial dodecahedron.

The " small rhombicuboctahedron " is bounded by 12 pentagonal, 8 triangular and 6 square faces; the " great rhombicuboctahedra " by 12 decagonal, 8 triangular and 6 square faces.

Usually they are twinned on a prism plane, M, producing pentagonal stellate groups of five crystals; twinning on the plain g, in which the crystals intercross at angles of nearly 60°, is less common.

In crystallography, the regular or ordinary dodecahedron is an impossible form since the faces cut the axes in irrational ratios; the "pentagonal dodecahedron" of crystallographers has irregular pentagons for faces, while the geometrical solid, on the other hand, has regular ones.

Other parts of the castle are the pentagonal tower, the oldest building in the town, wherein are preserved the famous "iron virgin of Nuremberg," and other instruments of torture; the granary (Kornhaus), also called the Kaiserstallung; and the Vestnertor or Vestnerturm.

Five equilateral triangles covertically placed would stand on a pentagonal base, and it was found that, by forming several sets of such pyramids, a solid could be obtained which had zo triangular faces, which met in pairs to form 30 edges, and in fives to form 12 vertices.

small persistent, 5-dentate calyx, 5 petals, 1 0 stamens, a sessile 3 to 5-chambered ovary, a long style, and a 3-lobed stigma; fruit trigonal or pentagonal; and seed compressed.

Ulm cathedral has double aisles and a pentagonal apsidal choir, but no transepts.

the cube, the octahedron, and the pentagonal dodecahedron.

It has 12 pentagonal faces, and 30 edges, which intersect in fives to form 12 vertices.

Synonyms:

pentangular,

Antonyms:

None