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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.
Elements of Geometry: Containing the First Six Books of Euclid: With a ... - Side 19
av John Playfair - 1819 - 317 sider
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## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1876 - 446 sider
...is the extremity ot any tM%. XIV. A figure is that which is enclosed TiV one or more boundaries. XV. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. XVL And this point i* called the center of the circle. xvn. A diameter of a circle is a straight line...
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## A Military Dictionary: Comprising Terms, Scientific and Otherwise, Connected ...

George Elliot Voyle, G. de Saint-Clair-Stevenson - 1876 - 676 sider
...where leather work is made up. Chuttack — An Indian weight, the sixteenth part of a seer. Circle — A plane figure, contained by one line which is called...figure to the circumference are equal to one another. This point is called the centre of the circle. Circumference, vide Circle. Ciroumferenta — A small...
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## Primer of geometry

Francis Cuthbertson (geometer.) - 1876 - 102 sider
...triangles are then said to be equal in all respects. A circle is a plane figure bounded by one line, called the circumference, and is such that all straight...within the figure to the circumference are equal. That point is called the centre, and those straight lines are called radii. STRAIGHT LINES, ANGLES,...
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## Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 130 sider
...which is enclosed by one or moro boundaries. 15. A circle is a plane figure contained by one lincj which is called the circumference, and is such, that...lines drawn from a certain point within the figure to tho circumference are equal to one another. 16. And this point is called the centre of the circle,...
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## Syllabus of Plane Geometry: (corresponding to Euclid, Books I-VI) ...

Association for the improvement of geometrical teaching - 1876 - 66 sider
...surface enclosed by a line or lines. DEF. 8. A circle is a plane figure contained by one line, which lines drawn from a certain point within the figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 9. A radius of a circle is a straight line drawn...
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## Nature, Volum 13

Sir Norman Lockyer - 1876 - 558 sider
...bad as the common school-boy definition : " a circle is a plain figure bounded by one straight line, and is such that all straight lines drawn from a certain point in its centre to the circumference are equal ; " but it is not what we should expect in a text-book...
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## Nature, Volum 13

Sir Norman Lockyer - 1876 - 926 sider
...bad as the common school-boy definition : " a circle is a plain figure bounded by one straight line, and is such that all straight lines drawn from a certain point in its centre to the circumference are equal ; " but it is not what we should expect in a text-book...
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## Elements of geometry, based on Euclid, book i

Edward Atkins - 1877 - 72 sider
...is the extremity of anything. 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, [and any straight line drawn from the centre...
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## Natural philosophy for beginners

Isaac Todhunter - 1877 - 442 sider
...angles. 18. A square is a rectangle with all its sides equal. 19. A circle is a plane figure bounded by one line which is called the circumference, and...figure to the circumference are equal to one another : this point is called the centre of the circle. A radius of a circle is a straight line drawn from...
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## Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877 - 58 sider
...is that which is inclosed by one or more lines. 11. A circle is a plane figure contained by one line (called the circumference), and is such that all straight...drawn from a certain point within the figure to the eircumferencu are equal to one another. 12 And this point is called the centre of the circle. 13. Rectilineal...
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