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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. "
A Treatise on Spherics: Comprising the Elements of Spherical Geometry, and ... - Page iii
by Daniel Cresswell - 1816 - 294 pages
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Nature, Volume 13

Sir Norman Lockyer - Electronic journals - 1876 - 924 pages
...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 - 74 pages
...boundaries. 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 point is called the centre of the circle, [and...
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Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877 - 58 pages
...one or more lines. 11. A circle is a plane figure contained by one line (called the circumference), and is such that all straight lines 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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Natural philosophy for beginners

Isaac Todhunter - 1877
...sides equal. 19. A circle is a plane figure bounded 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 : this point is called the centre of the circle. A radius of...
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The Globe Encyclopaedia of Universal Information, Volume 2

John Merry Ross - Encyclopedias and dictionaries - 1877 - 625 pages
...Metamorphoses. Cir'cle, according to Euclid, is a plain figure contained by one line, called the circumference^ and is such that all straight lines drawn from a certain point wifehin the figure to the circumference are equal to one another ; this point is the centre. It is...
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Elementary geometry

James Maurice Wilson - 1878 - 450 pages
...lines. Def. 8. 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. This point is called the centre of the circle. Def. 9. A radius...
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The elements of plane geometry, from the Sansk. text of Ayra Bhatta, ed. by ...

Āryabhaṭa - 1878 - 100 pages
...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 - 426 pages
...boundaries. 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 point is called the centre of the circle. 1 7....
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879 - 146 pages
...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 another. 1 6. And this point is called the centre of the circle. 17....
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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - Euclid's Elements - 1880 - 400 pages
...boundaries. 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 point is called the centre of the circle. 17....
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