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 Elements of Euclid, the parts read in the University of Cambridge [book ... - Page 2
by Euclides - 1846

## The Quadrature of the Circle: Correspondence Between an Eminent ...

James Smith - Circle-squaring - 1861 - 200 pages
...imagine," is a plane figure, enclosed by one line, which is called the circumference of the circle, it is such, that all straight lines drawn from a certain...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...

## Euclid's plane geometry, books iii.-vi., practically applied; or, Gradations ...

Euclides - 1861
...distance from that centre. A st. line may be drawn from any one point to any other point. DEM. 15, 1. A circle is a plane figure contained by one line,...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....

## Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862
...is the extremity of anything. 14. A figure is that which is inclosed by one or more boundaries. 15. A circle is a plane figure contained by one line,...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line...

## Euclid's plane geometry, practically applied; book i, with explanatory notes ...

Euclides - 1863
...points in the same plane, the figure is called a plane figure. 15. A circle (circulus, a ring, or hoop), is a plane figure contained by one line, which is called the circumference (circvmferri; to carry round), and is such that all straight lines drawn from a certain point ivithiu...

## Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864
...angle. XTII. A tenn or boundary is the extremity of any thing. XIV. A figure is that wnich is enclosed by one or more boundaries. XV. A circle is a plane...to one another. XVI. And this point is called the center of the circle. XVII. A diameter of a circle is a straight line drawn through the center, and...

## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864
...angle. XIII. A term or boundary is the extremity of any thing. XIv. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane...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...

## The Constructive arithmetic

James A. Christie - 1865
...WORKED our. What is the diameter of a circle containing 70- ao. 2- rd. 2976 po. statute measure 1 i "A circle is a plane figure, contained by one line,...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...

John Bradley Harbord - Astronomy - 1865 - 29 pages
...of Navigation.' CHAPTER II. DEFINITIONS. THE SPHERE. A Sphere : A figure bounded by a curved surface such that all straight lines drawn from a certain point within the figure to the surface are equal to one another : this point is called the Centre of the Sphere. Great Circles of...