| Isaac Sharpless - 1879 - 282 páginas
...quadrilateral is a straight line joining its opposite angles. Circ1e. 30. A circle is a plane figure, enclosed **by one line, which is called the circumference, and is such that all** lines drawn from a certain point within the figure to the circumference are equal to one another. 31.... | |
| Euclides, James Hamblin Smith - 1879 - 376 páginas
...is one which is less than a right angle. ^ XIII. A CIRCLE is a plane figure contained by one lino, **which is called the CIRCUMFERENCE, and is such, that all straight lines drawn** to the circumference from a certain point (called the CENTRE) within the figure are equal to one another.... | |
| Isaac Todhunter - 1880 - 426 páginas
...is the extremity of any thing. 14. A figure is that which is enclosed by one or more boundaries. 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 line... | |
| T S. Taylor - 1880 - 152 páginas
...as above, and using the letters affixed to these lines instead of A, J3, C, D. ff Definitions. — **A circle is a plane figure contained by one line,...within the figure to the circumference are equal.** And that point is called the centre of the circle. General Enunciation. From the greater of two given... | |
| Thomas Liddell Ainsley - 1880 - 866 páginas
...those which are called curvilinear, being bounded not by straight lines but by curved lines. Def.—A **circle is a plane figure contained by one line, which...is called the circumference, and is such that all** strait lines drawn from its centre to the circumference are equal to one another. The straight line... | |
| James Thomson - 1880 - 408 páginas
...angles which are not adjacent to one another. XVII. A CIRCLE is a figure contained, on a flat surface, **by one line which is called the CIRCUMFERENCE ; and is such that all straight lines drawn** to the circumference from a certain point within the figure, called the CENTRE, are equal to each other.... | |
| Euclides, Frederick Burn Harvey - 1880 - 178 páginas
...which is contained by one or more boundaries. 15. A CIRCLE is a plane figure contained by one line **called the CIRCUMFERENCE, and is such that all straight lines drawn from a certain point within** it, called the CENTRE, to the circumference are equal to each other. Each of such equal straight lines... | |
| Sir Norman Lockyer - 1880 - 668 páginas
...VII. — A plane figure is a portion of a plane surface inclosed by a line or lines. "Def. VIII. — **\circle is a plane figure contained by one line, which is called the circumference,** &c. "Def. XXII. — A plane rectilineal figure is a portion of a plane surface inclosed by straight... | |
| Euclides - 1881 - 236 páginas
...figurca, u well u to plane figures XV. A circle is a plane figure contained [or, bounded] by •>ae **line, which is called the circumference, and is such...figure to the circumference, are equal to one another.** The circumference of a circle ie its boundary. The space contained within the boundary, \s called the... | |
| 1882 - 676 páginas
...them lies wholly in that superficies. An obtuse angle is that which is greater than a right angle. **A circle is a plane figure contained by one line which...circumference, and is such that all straight lines drawn from** я certain point (called the centre) within the figure to the circumference are equal to one another.... | |
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