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. And this point is called the centre...
Practical Mathematics: Instruction Paper - Page 115
by Glenn Moody Hobbs - 1912

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Mathematics - 1806 - 320 pages
...circumference are equal to one another. XII. And this point is called the centre of the circle. XHL A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. XIV. A semicircle is the figure contained by...

## Geographical Delineations: Or, A Compendious View of the Natural and ...

John Aikin - Geography - 1807 - 442 pages
...circumference, which is every where equally distant from a point within the figure called the centre. 2. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. 3. An arc of a circle is any part of the circumference....

## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - Geometry - 1810 - 554 pages
...circumference, are equal to one another: XVI. A.nd this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained...

## A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 388 pages
...circumference. A semi-circle is half, and a quadrant one fourth, of a circle. ,*., , • •('•• II. A Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. A Radius is a straight line extending from the...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Circle-squaring - 1819 - 350 pages
...circumference, are equal to one another. XII. And this point is called the centre of the circle. XIII. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. « XIV. A semicircle is the figure contained...

## The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - Geometry - 1824 - 440 pages
...any portion of the circumference. A semi-circle is half, and a quadrant one-fourth, of a circle. II. A Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference/ A Ifatlius is a straight line extending from...

## A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - Mathematics - 1825 - 1046 pages
.../" i rence, 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 drawn through the centre, and terminated both ways by the circumference. 1 8. A semicircle is the figure contained by...

## Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry

John Playfair - Geometry - 1829 - 210 pages
...circumference, and all straight lines drawn from the centre to the circumference are equal to one another. 21. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference; and a radius is a straight line drawn from the...