 | John Aikin - 1807 - 442 pages
...INTRODUCTION. Definitions respecting the Circle and Sphere. 1. A circle is a plain figure bounded by a curved line, called the circumference, which is every where equally distant from a point within the figure called the centre. 2. A diameter of a circle is a straight line drawn through... | |
 | Thomas Keith - 1817 - 306 pages
...brini them together, the less the opening or angle will be. 10. A Circle is a plane figure contained by one line called the circumference, which is every where equally distant from a point within it, called the centre, as c : and an arc of a circle is any part of its circumference,... | |
 | James Charlton - 1829 - 250 pages
...•••', 1h I• ' n.;q .l;i11>l O'M'lr ••,•• •* **. 19. A CIRCLE is aplane figure contained by one line, called the circumference, which is every where equally distant from a point withitt it, called the centre. ISsery cjrxje is. supppsed Ip b^djyided into 360 equai parts,... | |
 | John Playfair - 1829 - 210 pages
...about a diameter, which remains unmoved: or, a sphere is a solid figure bounded by one curve surface, which is every where equally distant from a certain point within it nailed the centre. 8. The atxis of a sphere is the fixed straight line about which the semicircle revolves.... | |
 | Peter Nicholson - 1832 - 424 pages
...ones meet in a line parallel to the base, is called a cuneus or wedge. A solid terminated by a surface which is every where equally distant, from a certain point within it, is called a sphere or globe. If a sphere be cut by any two planes, the portion contained between the... | |
 | John Radford Young - 1833 - 286 pages
...ELEMENTS OF SPHERICAL TRIGONOMETRY. CHAPTER X. ON THE SPHERE. (34.) A SPHERE is a solid whose surface is every where equally distant from a certain point within it, called the centre. It may be generated by the revolution of a semicircle about the diameter. Any line drawn from the centre... | |
 | Commissioners of National Education in Ireland - 1837 - 290 pages
...point remaining fixed, as before, the greater the angle. 10. A Circle is a plane figure contained by one line called the circumference, which is every where equally distant from a point within it, called its centre, as o : and an arc of a circle is any part of its circumference... | |
 | Roswell Chamberlain Smith - 1841 - 324 pages
...it. 34. A CIRCLE is a plane figure bounded by a curred line, called the Circumference or Periphery ; which is every where equally distant from a certain point within it, called the CENTRE. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through... | |
 | Roswell Chamberlain Smith - 1842 - 320 pages
...14. 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. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through... | |
 | Roswell Chamberlain Smith - 1843 - 320 pages
...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. An ARC is any part of the circumference. 35. The DIAMETER of a circle, is a straight line drawn through... | |
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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. An ARC is any part of the circumference. 35. The... 
