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

The first three books of Euclid's Elements of geometry, with theorems and ...

Euclid, Thomas Tate - 1849 - 108 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. A VI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight...

Rudimentary dictionary of terms used in architecture [&c.].

John Weale - 1850
...plain 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 Circular saw. Circular saws, revolving upon an axis,...

Rudimentary Dictionary of Terms Used in Architecture, Civil ..., Volumes 1-2

John Weale - Architecture - 1850 - 564 pages
...plain 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 circumference of a circle is known to be about...

The Elements of Euclid [book 1] for beginners, by J. Lowres

Euclides - 1852
...16. A circle is a plane figure bounded by one line called the circumference, and is of such a kind, that all right lines drawn from a certain point within...figure to the circumference are equal to one another ; as, the circle DBF. 17. This point is called the centre of the circle, and the right line drawn from...

The First Two Books of the Elements of Euclid ... with Additional Figures ...

Euclides - 1852
...contained by one line, which is called the circumference, and is such that all straight lines B 3 BOOK I. 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. [In the above figures A is the centre of the...

Shaw's Civil Architecture: Being a Complete Theoretical and Practical System ...

Edward Shaw - Architecture - 1852 - 191 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 d, at B. 45. An arc of o- circle is any part...

The popular educator, Volumes 1-2; Volume 5

Popular educator - 1852
...a ame line, called the cireumference or periphery, which is such that all straight linen drawn trom a certain point within the figure to the circumference are equal to each other. This point is called the centre of the circle, and each of the straight lines is called...

The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

...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 by the circumference. 18. A semicircle...