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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 ... - Pągina 19
per John Playfair - 1832 - 333 pągines
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Elementary geometry

James Maurice Wilson - 1878
...three given points is constant is a circle. BOOK III, THE CIRCLE. SECTION I. ELEMENTARY PROPERTIES. A circle is a plane figure contained by one line,...is called the circumference, and is such that all the lines drawn from a certain point within the figure to the circumference are equal to one another....
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The elements of plane geometry, from the Sansk. text of Ayra Bhatta, ed. by ...

Āryabhaṭa - 1878
...that which is enclosed by one or moro boundaries. VI. A circle is a plane figure bounded by one lino, which is called the circumference, and is such that...all straight lines drawn from a certain point within it to tho circumference, are equal to one another. [•Figure ABCI) : Prop. 1. is a circle.] VII. And...
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Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879
...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. 1 7. A diameter of a circle is a straight line...
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879
...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,...which is called the circumference, and is such that ? straight lines drawn from a certain point within the figure to the circumference, are equal to one...
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The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

Isaac Sharpless - 1879 - 266 pągines
...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....
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Elements of geometry, containing books i. to vi.and portions of books xi ...

Euclides, James Hamblin Smith - 1879
...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....
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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - 1880 - 400 pągines
...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...
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First principles of Euclid: an introduction to the study of the first book ...

T S. Taylor - 1880
...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...
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The engineers' manual of the Local marine examinations

Thomas Liddell Ainsley - 1880
...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...
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A treatise on arithmetic. [With] Key, Volum 1

James Thomson - 1880
...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....
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