| Euclid, James Thomson - Geometry - 1845 - 382 pages
...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... | |
| Great Britain. Admiralty - Geometry - 1846 - 128 pages
...A figure is that which is enclosed by one or more boundaries. XV. Acircleis aplanefigure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. XVI. And this point is called the centre of... | |
| Euclid, John Playfair - Euclid's Elements - 1846 - 334 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...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. 12. And this point is called the centre of the... | |
| Euclides - 1846 - 292 pages
...figure is that which is inclosed by one or more boundaries. xv. A circle is a plane figure contained by one line, which is called the circumference, and...straight lines, drawn from a certain point within the figure to the circumference, are equal to one another : xvi. And this point is called the centre of... | |
| Great Britain. Admiralty - Geometry - 1846 - 128 pages
...figure is that which is enclosed by one or more boundaries. XV. Acircle is aplane figure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference, are equal to one another. XVI. And this point is called the centre of... | |
| 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 =... | |
| Euclides - 1847 - 128 pages
...quantity of space contained in any figure is called its area. 15. A circle is a plane figure contained by one line, which is called the circumference; and...straight lines, drawn from a certain point within the figure to the circumference, are equal to one another : — 16. And this point is called the centre... | |
| William Whewell - Science - 1847 - 756 pages
...circle, — " that it is a figure contained by one line, which is called the circumference, and which is such, that all straight lines drawn from a certain point within the circumference are equal to one another," — we were to substitute an axiom and a definition, as follows... | |
| 458 pages
...That it wants of 180 degrees. 25- A figure is that which is enclosed by one or more boundaries. 21. A circle is a plane figure bounded by one line, which is a curve, AB co A, and which is called the circumference; it is everywhere equally distant from a given... | |
| Charles Richson - 1848 - 98 pages
...diagrams; and upon which suitable questions may be asked. 1. "A circle is a plane figure, contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference are equal to one another/' "And this point is called the centre of the... | |
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