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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 : XVI. "
The first six books of the Elements of Euclid, with numerous exercises - Σελίδα 2
των Euclides - 1853 - 147 σελίδες
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Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 119 σελίδες
...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,...

Syllabus of Plane Geometry: (corresponding to Euclid, Books I-VI) ...

Association for the improvement of geometrical teaching - 1876 - 58 σελίδες
...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...

Nature, Τόμος 13

Sir Norman Lockyer - 1876 - 920 σελίδες
...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...

Nature, Τόμος 13

Sir Norman Lockyer - 1876
...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...

Elements of geometry, based on Euclid, book i

Edward Atkins - 1877
...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...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...

Natural philosophy for beginners

Isaac Todhunter - 1877
...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...

Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877
...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...

The Globe Encyclopaedia of Universal Information, Τόμος 2

John Merry Ross - 1877
...I4th Book of the 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...

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...

Elementary geometry

James Maurice Wilson - 1878
...is constant is a circle. BOOK III, THE CIRCLE. SECTION I. ELEMENTARY PROPERTIES. A circle is a plane figure contained by one line, which 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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