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" PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre. "
A Complete Arithmetic: Oral and Written - Σελίδα 72
των Malcolm MacVicar - 1878
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The Elements of Astronomy, Or, The World as it Is, and as it Appears

Anna Cabot Lowell - 1850 - 376 σελίδες
...Planet. Sidereal and Apparent Time. § 1. A sphere is a solid terminated by a curved surface, all the points of which are equally distant from a point within called the centre. The radius of a sphere is a straight line drawn from the centre to a point in the surface ; the diameter,...

ELEMENTS OF GEOMETRY AND TRIGONOMETRY

A. M. LEGENDRE - 1852
...be circumscribed about the pyramid. 9. The SPHERE is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. The sphere may be generated by the revolution of a semicircle DAE, about its diameter DE : for, the...

Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - 1854 - 432 σελίδες
...be circumscribed about the pyramid. 9. The SPHERE is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. The sphere may be generated by the revolution of a semicircle DAE, about its diameter DE : for, the...

PLANE AND SOLID GEOMETRY

GEORGE R. PERKINS - 1856
...COMBINATION WITH THE STRAIGHT LINE. DEFINITIONS. I. The circumference of a circle is a curved line, all the points of which are equally distant from a point within called the centre. The circle is the space bounded by the circumference. II. Any straight line drawn from the centre to...

Cornell's High School Geography: Forming Part Third of a Systematic Series ...

Sarah S. Cornell - 1857 - 405 σελίδες
...Clrele. — A Circle is a plane figure bounded by one continuous line, called its circumference ; all the points of which are equally distant from a point within called the centre of the circle. Thus, in the adjoining figure, if the points A, D, E, and B are equally distant from...

A Treatise on Arithmetic, Combining Analysis and Synthesis: Adapted to the ...

James Stewart Eaton - 1857 - 355 σελίδες
...? 38. What is the square root of .376942784 ? 329. APPLICATION OF THE SQUARE ROOT. DEFINITIONS. 1. A CIRCLE is a plane figure bounded by a curved line, all parts of the line being equally distant from a point within, called the centre. 2. The curve which...

Bourdon's Arithmetic: Containing a Discussion of the Theory of Numbers

Bourdon (M., Louis Pierre Marie) - 1858 - 248 σελίδες
...divisions of the Circle. — The circumference of a circle is defined in geometry a recutiant line, all the points of which are equally distant from a point within, called the centre. In all the scientific works in this country, the circumference is divided into 360 equal parts, called...

Rifles and Rifle Practice: An Elementary Treatise Upon the Theory of Rifle ...

Cadmus Marcellus Wilcox - 1859 - 276 σελίδες
...TUB CIRCLE AND THE MEASURING OF ANGLES. "WK give the name of circumference to a curved line, all the points of which are equally distant from a point within, called the centre. ,, The part of the surface contained in the circumference is called the circle. Every right line joining...

Higher Arithmetic : Or, The Science and Application of Numbers ..., Βιβλίο 6

James Bates Thomson - 1860 - 422 σελίδες
...diameter by 3.14159. (Leg. V. 11. Sch.) Note. — The circumference of a circle is a curve line, all the points of which are equally distant from a point within, called the centre. The diameter of a. circle is a straight line which passes through the centre, and is terminated on...

A Natural Philosophy: Embracing the Most Recent Discoveries in the Various ...

George Payn Quackenbos - 1860 - 450 σελίδες
...equal ; j _,' H 0 as, IJ KL, Fig. 23. 22. A Sphere is a solid bounded by a curved surface, all the points of which are equally distant from a point within called the centre ; as, AB CD, Fig. 24. 23. The Axis of a sphere is a straight line passing through its centre and terminating...




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