 | William Ezra Worthen - Architectural drawing - 1857 - 632 pages
...designations. 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...figure to the circumference, are equal to one another. And this point is called the centre of the circle. The term circle is very generally used for the circumference,... | |
 | John Weale - Architecture - 1859 - 622 pages
...thickness of solids. Circle, a plain figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...within the figure to the circumference are equal to one anCHU CIRCULAR. С Г- А other, and this point is called the centre of the circle. The circumference... | |
 | Euclides - 1858 - 248 pages
...DEMONSTRATION. — Def. 15. A 0 is a plane figure contained by one line which is called the ©ce, and is such that all straight lines drawn from a certain point within the figure (called the centre) to the ©ce are equal to one another. Ax. 1. Magnitudes which are equal to the... | |
 | 1858 - 402 pages
...figure, contained by one line, selfinterest, which is called the circumference, and is such, that all lines drawn from a certain point within the figure, to the circumference (i,e., all motives, from the highest to the lowest men), are equal to one another. Sometimes a circle... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...boundaries. XV. 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...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... | |
 | James McCosh - History - 1860 - 512 pages
...to any length in a straight line;" "There may be such a figure as a circle, that is, a plane figure such that all straight lines drawn from a certain point within the figure are equal to one another;" and that "A circle may be described from any centre at any distance from... | |
 | James Smith - Circle-squaring - 1861 - 292 pages
...can be drawn, that I feel it is childish to go on repeating the same thing." The circle I " imagine," is a plane figure, enclosed by one line, which is...circumference, are equal to one another. This point within the figure is called the centre of the circle. A straight line drawn through the centre, and... | |
 | Euclides - 1861 - 464 pages
...is a plane figure contained by one line, which is called the circumference, and is such that all st. lines drawn from a certain point within the figure to the circumference, are equal to one another. Ax. 1. Things which are equal to the same thing, are equal to one another. Def. 7, IV. A st. line is... | |
 | Euclides - 1862 - 172 pages
...boundaries. XV. IA 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...figure to the circumference are equal to one another. XVI. And this point is called the centre of the circle. XVII. XVIII. A semicircle is the figure contained... | |
 | Euclides - 1863 - 122 pages
...boundaries. XV. A circle is a piano figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain...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... | |
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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. 
