 A Circle is a plane figure bounded by a curved line, called the Circumference, all points of which are equally distant from a point within, called the Centre.  A Grammar School Arithmetic - Page 113by George Albert Wentworth - 1889 - 451 pagesFull view - About this book
 | George Roberts Perkins - Geometry - 1850 - 332 pages
...they will be their lines of contact. 7. A sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre. The sphere m-ay be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
 | Anna Cabot Lowell - Astronomy - 1850 - 412 pages
...Planet. Sidereal and Apparent Time. ยง 1. A sphere is a solid terminated by a curved surface, all the points of which are equally distant from a point within called the centre. The radius of a sphere is a straight line drawn from the centre to a point in the surface ; the diameter,... | |
 | Sir Henry Edward Landor Thuillier - Surveying - 1851 - 826 pages
...angle opposite. The Diagonals of a quadrilateral are the straight lines which join its opposite angles. A Circle is a plane figure bounded by a curved line called the Circumference, every part whereof is equally distant from a point within the same figure called the Centre, thus :... | |
 | Thomas Kentish - Geometrical drawing - 1852 - 258 pages
...of twelve, a dodecagon. A triangle is sometimes called a trigon ] and a quadrilateral, a tetragon. A circle is a plane figure bounded by a curved line called the circumference, which is everywhere equidistant from the centre. A right line passing through the centre, and meeting... | |
 | John William Norie - Nautical astronomy - 1852 - 844 pages
...SOLID is that which hath length, breadth, and thickness, and its bounds or extremes are Superficies. X. A CIRCLE is a plane figure bounded by a curved line, called the CIRCUMFERENCE, as ABD, which is in every part equally distant from a point within it, called the CENTRE, as c ; it... | |
 | Adrien Marie Legendre - Geometry - 1852 - 436 pages
...be circumscribed about the pyramid. 9. The SPHERE is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. The sphere may be generated by the revolution of a semicircle DAE, about its diameter DE : for, the... | |
 | Thomas Kentish - Mathematical instruments - 1854 - 268 pages
...of twelve, a dodecagon. A triangle is sometimes called a trigon ; and a quadrilateral, a tetragon. A circle is a plane figure bounded by a curved line called the circumference, which is everywhere equidistant from the centre. A right line passing through the centre, and meeting... | |
 | Charles Davies - Geometry - 1854 - 436 pages
...be circumscribed about the pyramid. 9. The SPHERE is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. The sphere may be generated by the revolution of a semicircle DAE, about its diameter DE : for, the... | |
 | Roswell Chamberlain Smith - Arithmetic - 1856 - 334 pages
...entire distance round it ; and is found by adding together all the sides that Fig. 14. bound it. 34. A CIRCLE is a plane figure bounded by a curved line, called the Circumference or Periphery ; which is every where equally distant from a certain point within it, called the CENTRE.... | |
 | George Roberts Perkins - Geometry - 1856 - 460 pages
...COMBINATION WITH THE STRAIGHT LINE. DEFINITIONS. I. The circumference of a circle is a curved line, all the points of which are equally distant from a point within called the centre. The circle is the space bounded by the circumference. II. Any straight line drawn from the centre to... | |
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