 | Euclides - 1864 - 448 pages
...figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and...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
...figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and...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
...circle containing 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...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... | |
 | Robert Potts - 1865 - 528 pages
...figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and...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... | |
 | Edward Clarke Lowe - 1866 - 172 pages
...boundary is the extremity ot anything. 14. Afgure is that which is enclosed by one or more boundaries. 15. A circle is a plane figure contained (or bounded)...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... | |
 | Walter Marsham Adams - 1866 - 114 pages
...some of the various parts of these figures.. " A Circle," says Euclid, " is a plane figure contained by one line, which is called the circumference, and...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.... | |
 | John Playfair - Geometry - 1855 - 350 pages
...reference to the 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...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... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...figure is that which is enclosed by one or more boundaries. 15. A circle is a plane figure contained by one line, which is called the circumference, and...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... | |
 | Isaac Todhunter - Measurement - 1869 - 312 pages
...polygon which are not adjacent is also called a 15. A circle is a plane figure bounded by one lino which is called the circumference, and is such that...figure to the circumference are equal to one another: this point is called the centre of the circle. A radius of a circle is a straight line drawn from the... | |
 | John Bruce Norton - Education, Higher - 1870 - 350 pages
...allusion to it as " a plain figure contained by one line called the circumference, and such that all right lines drawn from a certain point within the figure to the circumference are equal to one another?" Why then should we stumble or 'be offended at the use of such terms as " Estopell," "Alimony," " Certiorari,"... | |
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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. 
