 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 center.  Plane Geometry - Page 103by Fletcher Durell - 1904 - 372 pagesFull view - About this book
 | George Albert Wentworth - Geometry - 1904 - 496 pages
...and DE = EF. Rt. A BEF = rt. A BCF (§ 151) ; and EF = FC. 74 BOOK II. THE CIRCLE. DEFINITIONS. 216. A circle is a portion of a plane bounded by a curved...which are equally distant from a point within called the centre. The bounding line is called the circumference of the circle. 217. A radius is a straight... | |
 | Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1904 - 334 pages
...weighing one pound to every 20ft. and costing 3^ a pound ? There are 12 posts, costing each 1. An area bounded by a curved line, all points of which are...equally distant from a point within called the center, is a circle. 2. The distance from the center to the curve is the radius, and the curve is called the... | |
 | Jacob Henry Minick, Clement Carrington Gaines - Business mathematics - 1904 - 412 pages
...THE CIRCLE. 449. A Circle is a plane figure bounded by a curved line, every part of which is equally distant from a point within called the center. The Circumference of a circle is the bounding line ; as, A RDK. An Arc is any part of the circumference ; as, EF. A Chord is any straight... | |
 | Fletcher Durell - Geometry - 1911 - 553 pages
...equilateral cone out of pasteboard. BOOK IX THE SPHERE 731. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the center. 732, A sphere may also be defined as a solid generated by the revolution of a semicircle about its... | |
 | Frederick Thomas Hodgson - Architecture, Domestic - 1904 - 370 pages
...an ellipse about either of its axes. C. A sphere is a solid, terminated by a curved surface, all the points of which are equally distant from a point within, called the center. A sphere may be described by the revolution of a semicircle about a diameter. 7. A radius of a sphere... | |
 | George Clinton Shutts - 1905 - 260 pages
...and a point equidistant from the sides, bisects the angle. CHAPTER II. THE CIRCLE. Definitions. 158. A circle is a portion of a plane bounded by a curved...line, all points of which are equally distant from a fixed point within. 159. The fixed point is the center of the circle, and the bounding line is the... | |
 | John Henry Moore, George Washington Miner - Business mathematics - 1906 - 476 pages
...227. A circle is a plane figure bounded by a regularly curved line, every point of which is equally distant from a point within called the center. The circumference of a circle is the curved line which bounds it; the diameter is any straight line passing through the center and terminating in the... | |
 | John Williston Cook, Nebraska Cropsey - Arithmetic - 1906 - 384 pages
...S. \ of the S. £ of the SW \ of the NW \. THE CIRCLE. 423. A Circle is a plane figure bounded by a line all points of which are equally distant from a point within called the Center. 424. Mention ten circles, such as the top of a cup, the bottom of a lamp chimney, etc. 426. Any straight... | |
 | Erwin Herrick Schuyler, James Hixon Van Sickle - Arithmetic - 1906 - 216 pages
...and whose altitude is 42 in. LXXXII. SPHERES 1. A sphere is a solid with a uniformly curved surface, all points of which are equally distant from a point within, called the center. 2. The diameter of a sphere is a straight line which passes through the center and ends in the surface.... | |
 | Willis Ernest Johnson - Mathematical geography - 1907 - 348 pages
...points of which are equally distant from a point within called the center. A circle is a plane figure bounded by a curved line all points of which are equally distant from a point within called the center. In geography what we commonly call circles such as the equator, parallels, and meridians, are really... | |
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