Books Books 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 Civil Architecture: Or, A Complete Theoretical and Practical System of Building

Edward Shaw - Architecture - 1836 - 208 pages
...43. The radius of a circle is a right line drawn from the centre to the circumference, ab, at A. 44. A diameter of a circle is a right line drawn through the centre, terminating on both sides of the circumference, as с il. at В. 45. An arc of a circle \s any part... Elements of Plane Geometry According to Euclid

Andrew Bell - Euclid's Elements - 1837 - 240 pages
...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. 15. This point is called the centre of the circle. 16. A diameter of a circle is a straight line drawn... Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - Geometry - 1837 - 318 pages
...one line, which is called the circumference, and is such that all straight lines drawn from a certaia point within the figure to the circumference, are equal to one another. 12. And this point is called the centre of the circle. 13. A diameter of a circlets a straight line... The Elements of Euclid; viz. the first six books,together with the eleventh ...

Euclides - Geometry - 1841 - 351 pages
...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. A diameter of a circle is a straight... Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1842 - 317 pages
...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 . 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line... Elements of geometry: consisting of the first four,and the sixth, books of ...

Euclides - 1842
...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. XVL This point is called the centre of the circle. XVII, A diameter of a circle is a straight line... Lessons on the globes

T H. Howe - 1842
...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. c That point within the circle which is thus equally distant from the circumference, is called the... A course of practical geometry for mechanics

William Pease - Geometry - 1843 - 68 pages
...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. A circle is the superficies or space enclosed... Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Euclides - 1845
...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. A diameter of a circle is a straight... 