 | 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.... | |
 | George Roberts Perkins - Geometry - 1847 - 326 pages
...sides is given by this algebraic expression, in ( n — 3). [See Elements of Algebra, Art. 178.] XXIII. A circle is a plane figure bounded by one line, which...circumference ; and is such that all straight lines drawn from a certain point within the circle to the circumference, are equal to one another. This point is called... | |
 | 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 is such that all straight lines, drawn from a certain point within the figure to the circumference, are equal to one another : — 16. And this... | |
 | 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 is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another/' "And this point is... | |
 | Euclides - 1848 - 52 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 is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. XVI. And this point... | |
 | Euclid, Thomas Tate - 1849 - 120 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 is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another. A VI. And this point... | |
 | George Roberts Perkins - Geometry - 1850 - 332 pages
...has two diagonals, the pentagon has five, and so on for polygons of a greater number of sides. XXIII. A circle is a plane figure bounded by one line, which...circumference; and is such that all straight lines drawn from a certain point within the circle to the circumference, are equal to one another. This point is called... | |
 | John Weale - 1850 - 590 pages
...describing circles, measuring distances, and taking the 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 point within the figure to the circumference are equal to one another, and this point is... | |
 | Great Britain. Committee on Education - 1850 - 942 pages
...circle and parallel straight lines, point out two errors. (1.) A circle i» a plane figure contained by one line, which is called the circumference, and is such that all lines drawn from a certain point within the figure are equal to one another. (2.) Parallel lines are... | |
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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. 
