 | Robert Gibson - Surveying - 1832 - 290 pages
...figure that is not a parallelogram is called a trapezium. Plate 7, fig. 3. 48. Figures which consist of more than four sides are called polygons ; if the...called a pentagon, one of six sides a hexagon, &c. ; bill if their sides are not equal to each other, then they are called irregular polygons, as an irregular... | |
 | Abel Flint - Geometry - 1835 - 368 pages
...diagonal is a line drawn between two opposite angles ; as the line AB. Fig. 21. 49. Figures which consist of more than four sides' are called polygons; if the sides are equal to each other they are called regular polygons, and are sometimes named from the number of their... | |
 | Robert Gibson, James Ryan - Surveying - 1839 - 452 pages
...figure that is not a parallelogram is called a trapezium. Plate 7, lig. 3. 48. Figures which consist of more than four sides are called polygons ; if the sides are all equal to each other, they arc called regular polygons. They sometimes are named from the number of their sides, as a five-sided... | |
 | Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...unequal sides. 37. A diagonal is a line drawn between two opposite angles. 38. Figures which consist of more than four sides are called polygons ; if the sides are equal to each other they are called regular polygons, and are sometimes named from the number of their... | |
 | Charles Guilford Burnham - 1850 - 350 pages
...unequal sides. 37. A diagonal is a line drawn between two opposite angles. 38. Figures which consist of more than four sides are called polygons ; if the sides are equal to each other, they are called regular polygons, and are sometimes named from the number of their... | |
 | Charles Guilford Burnham - Arithmetic - 1857 - 328 pages
...unequal sides. 37. A diagonal is a line drawn between two opposite angles. 38. Figures which consist of more than four sides are called polygons ; if the sides are equal to each other, they are called regular polygons, and are sometimes named from the number of their... | |
 | Charles Guilford Burnham - 1857 - 342 pages
...unequal sides. 87. A diagonal is a line drawn between two opposite angles. 38. Figures which consist of more than four sides are called polygons ; if the sides are equal to each other, they are called regular polygons, and are sometimes named from the number of their... | |
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Figures which consist of more than four sides are called polygons ; if the sides are all equal to each other, they are called regular polygons. They sometimes are named from the number of. their sides, as a five-sided figure is called a pentagon, one... 
