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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: With, Practical Applications - Σελίδα 17
των George Roberts Perkins - 1850 - 320 σελίδες
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...extremity of any thing is called A TERM. 14. Thefpace bounded by one or more terms is called a FIGURE. 15. A CIRCLE is a plane figure bounded by one line, which is called a CIRCUMFERENCE : upon which all the ftraight lines falling, from oNE PoINT of thofe lying within the...

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...figure is that which is inclosed by one or more boundaries. XL A circle is a plane figure contained by one line, which is called the circumference, and...straight lines drawn from a certain point within the figure to the circumference are equal to one another. XII. And this point is called the centre of the...

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...boundaries. XV. Book I. A circle is a plane figure contained by one line, which is called l •»•j< 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...

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## Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory ..., Τόμος 5

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...is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, winch 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...

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...figures as are contained by more than one line, as the triangle, square, polygon, &c. are excluded; "and is such that all straight lines drawn from a certain point within the figure" (called in the next following definition " the centre") to the circumference, are equal to...

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...OF A SPHERE AND A PLANE. DEFINITIONS. ART. 1. A- Sphere is a solid 'figure contained by one surface, and is such that all straight lines, drawn from a certain point within the figure to the surface, are equal to one another : (2.) And this point is called the Center of the Sphere....

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...reference to the nature of the line or lines which bound it. XI. A circle is a plane figure contained by one line, which is called the circumference, and...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....

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...figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and...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...