 | International Correspondence Schools - Arithmetic - 1904 - 656 pages
...the polygon. 63. A regular polygon is one in which all the sides and all the angles are equal. 64. A polygon of five sides is called a pentagon ; one of six sides, a hexngon ; one of seven sides, a heptagon. Pentagon. Hexagon. Heptagon. Octagon. Decagon. Dodecagon.... | |
 | International Correspondence Schools - Building - 1909 - 750 pages
...polygon of three sides is called a triangle; one of four sides, a quadrilateral; one of five sides, a pentagon; one of six sides, a hexagon; one of seven...one of eight sides, an octagon; one of nine sides, a noliogon; one of ten sides, a decagon; one of eleven sides, an uudecagon; and one of twelve sides,... | |
 | Arthur Bradford Babbitt - Mechanical drawing - 1911 - 226 pages
...applied to figures having more than four sides. The number of sides determines the name of the polygon. A polygon of five sides is called a pentagon; one of six sides is a hexagon, one of seven sides is a heptagon, one of eight sides is an octagon, one of nine sides... | |
 | Frank William Bartlett - Mechanical drawing - 1911 - 216 pages
...applied to figures having more than four sides. The number of sides determines the name of the polygon. A polygon of five sides is called a pentagon; one of six sides is a hexagon, one of seven sides is a heptagon, one of eight sides is an octagon, one of nine sides... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 490 pages
...polygon all of whose angles are equal. An equilateral polygon is a polygon all of whose sides are equal. A polygon of five sides is called a pentagon; one of six sides, a hexagon; seven sides, a heptagon; eight sides, an octagon; ten sides, a decagon; twelve sides, a dodecagon.... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry, Plane - 1913 - 328 pages
...polygon all of whose angles are equal. An equilateral polygon is a polygon all of whose sides are equal. A polygon of five sides is called a pentagon; one of six sides, a hexagon; seven sides, a heptagon; eight sides, an octagon; ten sides, a decagon; twelve sides, a dodecagon.... | |
 | Measuring instruments - 1914 - 428 pages
...sides: One of three sides is called a triangle; one of four sides, a quadrilateral ; one of five sides, a pentagon ; one of six sides, a hexagon ; one of...a heptagon; one of eight sides, an octagon; one of ten sides, a decagon ; one of twelve sides, a dodecagon ; etc. 26. A regular polygon is one in which... | |
 | Arthur Schultze, Frank Louis Sevenoak - Geometry - 1918 - 486 pages
...polygon all of whose angles are equal. An equilateral polygon is a polygon all of whose sides are equal. A polygon of five sides is called a pentagon; one of six sides, a hexagon ; seven sides, a heptagon ; eight sides, an octagon ; ten sides, a decagon ; twelve sides, a dodecagon.... | |
 | Encyclopedias and dictionaries - 1919 - 978 pages
...of three sides is termed a triangle; one of four sides, a quadrilateral or quadrangle; five sides, a pentagon; one of six sides, a hexagon; one of seven sides, a heptagon; and similarly we have octagon (8), nonagon, or more properly cnneagon (9), decagon (10), and so on.... | |
 | Charles Morris - Encyclopedias and dictionaries - 1921 - 528 pages
...figure of many angles and sides, or at least of more than four sides. A polygon of five sides is termed a pentagon; one of six sides, a hexagon; one of seven sides, a heptagon, and so on. Similar polygon» are those which have their several angles equal each to each, and the... | |
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A Polygon of three sides is called a triangle ; one of four sides, a quadrilateral; one of five sides, a pentagon; one of six sides, a hexagon; one of seven sides, a heptagon; one of eight sides, an octagon ; one of ten sides, a decagon ; one of twelve... 
