 | Charles Haynes Haswell - Engineering - 1844 - 298 pages
..." eight " A Nonagon . " nine *• A Decagon " ten " An Undecagon " eleven " A Dodecagon " twelve " A CIRCLE is a plane figure bounded by a curve line, called the Circumference (or Periphery). An Arc is any part of the circumference of a circle. A Chord is u right line joining... | |
 | Peter Nicholson - Geometry - 1845 - 430 pages
...irregular. and a square is one of the four ; the former being called a trigon, and the latter a tetragon. A circle is a plane figure, bounded by a curve line, called the circumference, which is every where equi-distant, from a certain point within, called its centre. The radius of a... | |
 | Frederic A. Adams - Arithmetic - 1846 - 230 pages
...and parallel. The diagonal divides it into two equal parts. A circle is a figure bounded by a curved line, called the circumference, every part of which is equally distant from the centre. A straight line from the centre to the circumference is called the radius. The diameter... | |
 | James Robinson (of Boston.) - 1847 - 304 pages
...pentagon. ED 34. The perimeter of a figure is the sum of all its sides. 35. A CIRCLE is a plane surface bounded by a curve line, called the circumference ; every part of which is equally distant from a point within the figure, called the centre of the circle. The figure CDE is a circle. 36. THE RADIUS... | |
 | Charles William Hackley - Geometry - 1847 - 248 pages
...the latter a tetragon. 40. A Diagonal is a line joining any two angles of a polygon not adjacent. 41. A Circle is a plane figure bounded by a curve line, called the Circumference, every point of which is equidistant from a certain point within, called the Center. 42. The Radius of a circle... | |
 | Peter Nicholson, Joseph Gwilt - Architectural drawing Technique - 1848 - 750 pages
...sides, and a square is one of four ; the former being caUed a trigon, and the latter a tetragon. 42. A circle is a plane figure, bounded by a curve line, called the circumference, which is everywhere equidistant from a certain point within it, called its centre. PLATE 3. 43. The... | |
 | Rufus Putnam - Arithmetic - 1849 - 402 pages
...which are straight lines is called a rtxtilinear figure. 34. A CIRCLE is a plane surface, enclosed by a curve line called the circumference, every part of which is equally distant from the centre. 35. The DIAMETER -of a circle is a straight line passing through its centre and terminated... | |
 | J. M. Scribner - Mechanical engineering - 1849 - 286 pages
...will be the whole area not ar from the Tuth. SECTION lii. OF THE CIRCLE AN1MTS PARTS. DEFINITIONS. 1. A circle is a plane figure, bounded by a curve line, called thp circumference, every part of which is equally distant from a certain point within, called the center.... | |
 | Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...and the square is one of four; the former being also called a trigon, and the latter a tetragon. 44. A circle is a plane figure, bounded by a curve line, called the circumference, which is everywhere equidistant from a certain point, called its centre. The circumference itself is... | |
 | John Weale - 1850 - 590 pages
...polygon has all its sides and its angles equal; and if they are not equal, the polygon is irregular. A circle is a plane figure, bounded by a curve line, called the circumference, which is every where equidistant, from a certain point within, tailed its centre. The radius of a circle... | |
| |
A Circle is a plane figure bounded by a curve line, called the Circumference, which is everywhere equidistant from a certain point within, called its Centre. 
