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... Elements of Plane Geometry - Page 67by William Herschel Bruce, Claude Carr Cody (Jr.) - 1910 - 263 pagesFull view - About this book
| John Davis - Circle-squaring - 1854 - 172 pages
...letters, the name of a polygon. Thus, one of three sides is a trigon ; one of four sides a tetragon ; 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 nine sides a nonagon-; one of ten sides... | |
| Bridge building - 1857 - 250 pages
...which is both equilateral and equiangular. 21. The polygon of three sides is called a triangle; that of four sides, a quadrilateral; one of five sides, a pentagon; one of sir, a hexagon; one of seven, a heptagon ; one of eight, an octagon ; one of nine, a nonagon ; one... | |
| William E. Bell - Bridges - 1859 - 226 pages
...which is both equilateral and equiangular. 21. The polygon of three sides is called a triangle ; that of four sides, a quadrilateral ; one of five sides, a pentagon ; one of six, a hexagon; one of seven, a heptagon; one of eight, an octagon; one of nine, a nonagon; one of ten,... | |
| Benjamin Greenleaf - Geometry - 1862 - 532 pages
...space they enclose is called a RECTILINEAL FIGURE, or POLYGON ; as the figure А В С D E. А в 21. A polygon of three sides is called a TRIANGLE ; one of four sides, a QUADRILATERAL ; one of five, a PENTAGON ; one of six, a HEXAGON ; one of seven, a HEPTAGON ; one of eight, an OCTAGON ; one of nine,... | |
| Adrien Marie Legendre - Geometry - 1863 - 464 pages
...angles of the polygon. 19. Polygons are classified according to the number of their sides or angles. A Polygon of three sides is called a triangle / one...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... | |
| Benjamin Greenleaf - Geometry - 1866 - 328 pages
...straight, the space they enclose is called a RECTILINEAL FIGURE, or POLYGON ; as the figure ABODE. AB 21. A polygon of three sides is called a TRIANGLE ; one of four sides, a QUADRILATERAL ; one of five, a PENTAGON ; one of six, a HEXAGON ; one of seven, a HEPTAGON ; one of eight, an OCTAGON ; one of nine,... | |
| Charles Davies - Geometry - 1872 - 464 pages
...angles of the polygon. 19. Polygons are classified according to the number of their sides or angles. A Polygon of three sides is called a triangle/ one...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... | |
| Benjamin Greenleaf - Geometry - 1873 - 202 pages
...curves. ELEMENTARY GEOMETKY. 17. A Polygon is a plane bounded by straight lines ; as the figure ABCDE. A polygon of three sides is called a triangle; one of four sides, a quadrilateral; one of five, & pentagon; one of six, a hexagon; one of seven, a heptagon; one of eight, an octagon; one of nine,... | |
| Adrien Marie Legendre - Geometry - 1874 - 500 pages
...angles of the polygon. 19. Polygons are classified according to the number of their sides or angles. A Polygon of three sides is called a triangle ; one...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... | |
| Charles Davies - 1874 - 464 pages
...according to the number of their sides or angles. A Polygon of three sides is called a tri>n1gls ; 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... | |
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