﻿ Definition of Heptagonal. Meaning of Heptagonal. Synonyms of Heptagonal

# Definition of Heptagonal. Meaning of Heptagonal. Synonyms of Heptagonal

Here you will find one or more explanations in English for the word Heptagonal. Also in the bottom left of the page several parts of wikipedia pages related to the word Heptagonal and, of course, Heptagonal synonyms and on the right images related to the word Heptagonal.

## Definition of Heptagonal

Heptagonal
Heptagonal Hep*tag"o*nal, a. [Cf. F. heptagonal.] Having seven angles or sides. Heptagonal numbers (Arith.), the numbers of the series 1, 7, 18, 34, 55, etc., being figurate numbers formed by adding successively the terms of the arithmetical series 1, 6, 11, 16, 21, etc.

## Meaning of Heptagonal from wikipedia

- Apart from the heptagonal prism and heptagonal antiprism, no convex polyhedron made entirely out of regular polygons contains a heptagon as a face. Regular...
- A heptagonal number is a figurate number that represents a heptagon. The n-th heptagonal number is given by the formula 5 n 2 − 3 n 2 {\displaystyle {\frac...
- all other dots surrounding the center dot in successive heptagonal layers. The centered heptagonal number for n is given by the formula 7 n 2 − 7 n + 2 2...
- the heptagonal prism is the fifth of the infinite set of convex prisms formed by square sides and two regular polygon caps, in this case two heptagons. The...
- primes (137 + 139 + 149 + 151 + 157 + 163 + 167) 1071 – heptagonal number 1072 – centered heptagonal number 1079 – every positive integer is the sum of at...
- mathematics, a heptagonal pyramidal number is a figurate number representing the number of dots in a three-dimensional pattern in the shape of a heptagonal pyramid...
- of the regular heptagon. All heptagonal triangles are similar (have the same shape), and so they are collectively known as the heptagonal triangle. Its...
- (grammē) meaning a line. In general, a heptagram is any self-intersecting heptagon (7-sided polygon). There are two regular heptagrams, labeled as {7/2} and...
- The heptagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If an heptagonal bipyramid is to be face-transitive, all...
- tiling is called a heptakis heptagonal tiling, named for being constructible as a heptagonal tiling with every heptagon divided into seven triangles...