 | Euclides - 1864 - 262 pages
...is 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...to one another. XVI. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line drawn through the center, and... | |
 | Euclides - 1864 - 448 pages
...is 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...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... | |
 | Euclides - 1865 - 402 pages
...is 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...another. XVI. And this point is called the centre of the circl*. XVII. A diameter of a circle is a straight line drawn through the centre, and terminated both... | |
 | Robert Potts - 1865 - 528 pages
...is 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...to one another. XVI. And this point is called the center of the circle. xvn. A diameter of a circle is a straight line drawn through the center, and... | |
 | James A. Christie - 1865 - 454 pages
...70- ao. 2- rd. 2976 po. statute measure 1 i "A circle is a plane figure, contained by one line, which is called the circumference, and is such that all...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
...parts of these figures.. " A Circle," says Euclid, " is a plane figure contained by one line, which is called the circumference, and is such that all...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
...by 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...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
...nature 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...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
...product is the area. DD THE 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. 
