¹ Source: wiktionary.com
Definition of Pentagons
1. pentagon [n] - See also: pentagon
Lexicographical Neighbors of Pentagons
Literary usage of Pentagons
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"51), bounded by twelve symmetrical pentagons, vary in general aspect ... 54),
both bounded by irregular pentagons, have not yet been observed in nature. ..."
2. Euclide's Elements: The Whole Fifteen Books Compendiously Demonstrated. With by Euclid, Archimedes, Marinus, Franc̜ois de Foix Candale, B. Sprint (1714)
"4. the reft of the Pentagons ... foi that all the fides of the triangles are
equal and common with the Pentagons; and it is all'o ..."
3. Mathematical Questions and Solutions, from "The Educational Times", with edited by Constance I Marks (1895)
"Let AB'CDE be one of the pentagons above defined. The polar of (z,l/,Z,) with
respect to S' = 0, is x(ax, + ffz, + kyl)+y(byl+f,:, + hxl)+z(czl+fyl+ffx,) ..."
4. Bryant and Stratton's Commercial Arithmetic: In Two Parts : Designed for the by Emerson Elbridge White, J. B. Meriam, Henry Beadman Bryant, Henry Dwight Stratton (1865)
"QUADRILATERALS, Pentagons, &c. ART. 176- (1.) To find the area of any quadrilateral
having two sides parallel. RULE.—Multiply half the sum of the two ..."
5. The Mathematical Miscellany (1836)
"( 163 ) •different pentagons formed by joining the same five points taken with
different arrangements, ..."
6. Geometry, Plane, Solid, and Spherical, in Six Books: To which is Added, in by Pierce Morton (1830)
"Let the solid angle be contained by three angles of pentagons. Upon the given
edge А В describe a pentagon А В С DE : find the angle, I, at which two angles ..."