 | Aaron Schuyler - Logic - 1869 - 180 pages
...immediately superior and giving the differential attribute which distinguishes it from its coordinates. 2. Illustration. Thus, triangles, quadrilaterals,...thing defined from other things, and thus to give clearneps and precision to thought. 4. Classification. Definitions are of three kinds, nominal, real,... | |
 | William Chauvenet - Geometry - 1871 - 380 pages
...called a diagonal; as AC. 94. Definitions. Polygons are classed according to the number of their sides : A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon has five sides ; a hexagon, six ; a heptagon, seven ; an octagon, eight; an enneagon, nine; a decagon,... | |
 | William Chauvenet - Mathematics - 1872 - 382 pages
...called a diagonal; as AC. 94. Definitions. Polygons are classed according to the number of their sides: A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon has five sides ; a hexagon, six ; a heptagon, seven ; an octagon, eight ; an enneagon, nine ; a decagon,... | |
 | William Chauvenet, William Elwood Byerly - Geometry - 1887 - 331 pages
...called a diagonal; as AC. 53. Definitions. Polygons are classed according to the number of their sides: A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon has five sides; a hexagon, six; a heptagon, seven; an octagon, eight; an enneagon, nine; a decagon,... | |
 | William Chauvenet - 1893 - 340 pages
...a diagonal; as A C. 53. Definitions. Polygons are classed according to the num. ber of their sides: A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon has five sides; a hexagon, six; a heptagon, seven; an octagon, eight; an enneagon, nine; a decagon,... | |
 | John Tilden Prince - Arithmetic - 1894 - 254 pages
...definitions may be developed in the same way: A polygon is a plane rectilinear figure having three or more sides. A quadrilateral is a polygon of four sides. A pentagon is a polygon of five sides. Etc. A square is a right-angled parallelogram l having its sides equal. A rectangle is a right-angled... | |
 | 1902 - 486 pages
...sum of the sides is called the perimeter. Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral...four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of sis sides. A heptagon is a polygon of seven sides. An octagon is a polygon... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 414 pages
...sum of the sides is called the perimeter. Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral...four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of six sides. A heptagon is a polygon of ะตะต ven sides. An octagon is a polygon... | |
 | Isaac Newton Failor - Geometry - 1904 - 100 pages
...different ways. CHAPTER VII POLYGONS IN GENERAL A polygon is a plane figure bounded by straight lines. A triangle is a polygon of three sides. A quadrilateral...four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of six sides. An octagon is a polygon of eight sides. A decagon is a polygon... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 586 pages
...sum of the sides is called the perimeter. Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral...four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of *iV sides. A heptagon is a polygon of seven sides. An octagon is a polygon... | |
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Polygons are classified according to the number of sides. A triangle is a polygon of three sides. A quadrilateral is a polygon of four sides. A pentagon is a polygon of five sides. A hexagon is a polygon of six sides. 
