 | Euclides - 1845 - 546 pages
...the extremity of any thing. XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...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... | |
 | Scottish school-book assoc - 1845 - 444 pages
...figure is that which is enclosed by one or more boundaries. 14. A circle is a plain figure bounded by one line, which is called the circumference, and...all straight lines drawn from a certain point within it to the circumference are equal to one another; 15. And this point is called the centre. 16. The... | |
 | Euclid, James Thomson - Geometry - 1845 - 382 pages
...rhomboid is a parallelogram trhich has not its adjacent sides equal, nor its angles right angles. 30. A circle is a plane figure contained by one line,...which is called the circumference* and is such that R all straight lines drawn from a certain point within the figure to the circumference are equal to... | |
 | Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...contained in a figure, without any reference to the nature of the line or lines which bound it. 11. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line... | |
 | Euclides - 1846 - 292 pages
...the extremity of any thing. xiv. A figure is that which is inclosed by one or more boundaries. xv. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another : xvi. And this point is called the centre of the circle. xvn. A diameter of a circle is a straight... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...any thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. Acircle is aplane figure contained by one line, which is called the...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... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...thing. XIV. A figure is that which is enclosed by one or more boundaries. XV. Acircleis aplanefigure contained by one line, which is called the circumference,...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... | |
 | W. M. Buchanan - Science - 1846 - 768 pages
...magical operations. CIB'CLB, Lat. circulus, from circus. A geometrical figure contained under one line called the circumference ; and is such, that all straight...lines drawn from a certain point within the figure called the centre, to the circumference, arc equal to one another. Thus, In the figure, AB = AC = AD.... | |
 | Euclides - 1846 - 272 pages
...called acute. 14. A plane figure is a plane superficies, bounded on every side by one or more lines. 15. A circle is a plane figure, contained by one line, which is called the circumference ; to which from a certain point within the figure, all right lines drawn are equal. 16. That point... | |
 | Euclides - 1847 - 128 pages
...enclosed by one or more boundaries. The quantity of space contained in any figure is called its area. 15. A circle is a plane figure contained by one line,...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... | |
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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. 
