heptagon

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heptagon

hep·ta·gon

(hĕp′tə-gŏn′)

A polygon with seven sides and seven angles.

[Latin heptagōnon, from Greek heptagōnos, having seven angles : hepta-, hepta- + -gōnos, angled; see -gon.]

hep·tag′o·nal (-tăg′ə-nəl) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heptagon

(ˈhɛptəɡən)

(Mathematics) a polygon having seven sides

heptagonal adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hep•ta•gon

(ˈhɛp təˌgɒn)

n.

a polygon having seven angles and seven sides.

[1560–70; < Greek heptágōnos seven-cornered. See hepta-, -gon]

hep•tag′o•nal (-ˈtæg ə nl) adj.

hep·ta·gon

(hĕp′tə-gŏn′)

A polygon having seven sides.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

heptagon - a seven-sided polygon

polygon, polygonal shape - a closed plane figure bounded by straight sides

Translations

heptagone

ettagonoeptagono

七角形

siedmiokąt

heptagon

[ˈheptəgən] N → heptágono m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

heptagon

n → Siebeneck nt, → Heptagon nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

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Table 1 Sample Polygon Observation Table Polygon Odd or even # Degree of of vertices rotational symmetry Equilateral triangle Odd 3 Square Even 4 Regular pentagon Odd 5 Regular hexagon Even 6 Regular septagon Odd 7 Regular octagon Even 8 Polygon Degrees per Sets of turn parallel sides Equilateral triangle 120 0 Square 90 2 Regular pentagon 72 0 Regular hexagon 60 3 Regular septagon [approximately equal to] 51.4 0 Regular octagon 45 4 Polygon Sets of parallel diagonals?

Polygons, pillars and pavilions: discovering connections between geometry and architecture

The deal includes the company's three subsidiaries: Axe Insurance PCC Ltd, Septagon Insurance PCC Ltd and Hexagon ICC Ltd.