 | Euclides - 1862 - 140 pages
...inclosed by one or more boundaries. 15. A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
 | Euclides - 1863 - 122 pages
...enclosed by one or more boundaries. XV. A circle is a piano figure contained by one line, which is called the circumference, and is such that all straight...figure to the circumference, are equal to one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight... | |
 | Euclides - 1863 - 74 pages
...plane figure contained by one line, which is called the circumference (circvmferri; to carry round), and is such that all straight lines drawn from a certain point ivithiu the figure to the circumference, are equal to one another. Any portion of a circumference is... | |
 | John Leechman - Logic - 1864 - 248 pages
...and four right angles." A circle, we should say, "is a plane figure contained by one line, which is called the circumference, and is such that all straight...figure to the circumference are equal to one another." This kind of definition belongs to the science that is employed about the particular object defined... | |
 | Euclides - 1865 - 402 pages
...enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight...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... | |
 | Robert Potts - 1865 - 528 pages
...enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight...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... | |
 | 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... | |
 | Edward Clarke Lowe - 1866 - 172 pages
...one or more boundaries. 15. A circle is a plane figure contained (or bounded) by one line, which is called the circumference, and is such that all straight...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
...of the line or lines which bound it. 11. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight...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
...them ; the product is the area. DD THE CIRCLE. Definition : — A circle J8 a plane figure bounded by one line called the circumference, and is such...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. 
