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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 : 16.
The First Six Books with Notes - Page 2
by Euclid - 1822 - 179 pages
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## Euclid's plane geometry, books iii.-vi., practically applied; or, Gradations ...

Euclides - 1861
...is a plane figure contained by one line, which is called the circumference, and is such that all st. lines drawn from a certain point within the figure to the circumference, are equal to one another. Ax. 1. Things which are equal to the same thing, are equal to one another. Def. 7, IV. A st. line is...
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## The Quadrature of the Circle: Correspondence Between an Eminent ...

James Smith - Circle-squaring - 1861 - 200 pages
...enclosed by one line, which is called the circumference of the circle, it is such, that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. This point within the figure is called the centre of the circle. A straight line drawn through the...
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## Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862
...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...centre of the circle. 17. A diameter of a circle is a straight line drawn through the centre, and terminated both ways oy the circumference. 18. A semicircle...
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## The school Euclid: comprising the first four books, by A.K. Isbister

Euclides - 1862
...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 is called the centre of the circle. XVII. XVIII. A semicircle is the figure contained...
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## The elements of plane geometry; or, The first six books of Euclid, ed. by W ...

Euclides - 1863
...piano 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 is called the centre of the circle. XVII. A diameter of a circle is a straight...
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## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864
...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 called the center of the circle. XVII. A diameter of a circle is a straight line...
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## The Constructive arithmetic

James A. Christie - 1865
...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 called the centre of the circle. The diameter of a circle is a straight line passing...
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## The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865
...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 is called the centre of the circl*. XVII. A diameter of a circle is a straight...
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## Outlines of geometry; or, The motion of a point

Walter Marsham Adams - 1866
...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 called the centre of the circle " (1.) (AB=AP.) The definitions correspond exactly....
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## An English primer; compiled under the superintendence of E.C. Lowe

Edward Clarke Lowe - 1866
...contained (or 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. 1C. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line...
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