 | John Leechman - Logic - 1864 - 248 pages
...circle, we should say, "is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...the circumference are equal to one another." This kind of definition belongs to the science that is employed about the particular object defined ; and... | |
 | Euclides - 1864 - 448 pages
...boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference, are equal to one another. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line... | |
 | Robert Potts - 1865 - 528 pages
...boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference, are equal to one another. XVI. And this point is called the center of the circle. xvn. A diameter of a circle is a straight line... | |
 | Euclides - 1865 - 402 pages
...boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference are equal to one another. XVI. And this point is called the centre of the circl*. XVII. A diameter of a circle is a straight... | |
 | James A. Christie - 1865 - 454 pages
...measure 1 i "A circle is a plane figure, contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference are equal to one another. And this point is called the centre of the circle. The diameter of a circle is a straight line passing... | |
 | John Bradley Harbord - Astronomy - 1865 - 52 pages
...of Navigation.' CHAPTER II. DEFINITIONS. THE SPHERE. A Sphere : A figure bounded by a curved surface such that all straight lines drawn from a certain point within the figure to the surface are equal to one another : this point is called the Centre of the Sphere. Great Circles of... | |
 | Walter Marsham Adams - 1866 - 114 pages
...Circle," says Euclid, " is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference are equal to one another. And this point is called the centre of the circle " (1.) (AB=AP.) The definitions correspond exactly.... | |
 | Edward Clarke Lowe - 1866 - 172 pages
...circle is a plane figure contained (or bounded) by one line, which is called the circumference, and is such that all straight lines drawn from a certain...figure to the circumference are equal to one another. 1C. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
 | John Playfair - Geometry - 1855 - 350 pages
...bound it. 11. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...the figure to the circumference, are equal to one .mother and are called radii 12. And this point is called the centre of the circle. 13. A diameter... | |
 | Edward Thomas Stevens - 1866 - 434 pages
...CIRCLE. Definition : — A circle J8 a plane figure bounded by one line called the circumference, and is such that all straight lines drawn from, a certain point within the circle to the circumference are equal to one another. This point is called the centre of the circle.... | |
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A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. 
