 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.  Constructive geometry of plane curves - Pagina 26door Thomas Henry Eagles - 1885Volledige weergave - Over dit boek
 | Euclides - 1847 - 128 pagina’s
...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... | |
 | George Roberts Perkins - 1847 - 326 pagina’s
...expression, in ( n — 3). [See Elements of Algebra, Art. 178.] XXIII. A circle is a plane figure bounded by one line, which is called the circumference ; and...straight lines drawn from a certain point within the circle to the circumference, are equal to one another. This point is called the centre of the circle.... | |
 | William Whewell - 1847 - 756 pagina’s
...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... | |
 | Charles Richson - 1848 - 98 pagina’s
...DEFINITIONS, which may be illustrated by the diagrams; and upon which suitable questions may be asked. 1. "A circle is a plane figure, contained by one line,...this point is called the centre of the circle." (A pair of dividers or compasses will be useful in explaining this definition.} 2. "A diameter of a circle... | |
 | Euclides - 1848 - 52 pagina’s
...less than a right angle. XIII. 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 ttas centre of the circle. XVII. A diameter of a circle is a straight... | |
 | Euclid, Thomas Tate - 1849 - 120 pagina’s
...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. A VI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight... | |
 | John Weale - 1850 - 590 pagina’s
...&c., for describing circles, measuring distances, and taking the thickness of solids Circle, a plain figure contained by one line, which is called the...and this point is called the centre of the circle Circular saw. Circular saws, revolving upon an axis, have the advantage that they act continually in... | |
 | John Weale - 1850 - 600 pagina’s
...&c., for describing circles, measuring distances, and taking the thickness of solids Circle, a plain figure contained by one line, which is called the...and this point is called the centre of the circle The circumference of a circle is known to be about 3-14159 times its diameter, or, in other words,... | |
 | George Roberts Perkins - 1850 - 332 pagina’s
...five, and so on for polygons of a greater number of sides. XXIII. A circle is a plane figure bounded by one line, which is called the circumference; and...straight lines drawn from a certain point within the circle to the circumference, are equal to one another. This point is called the centre of the circle.... | |
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