 | Philip Thomas Main - Astronomy - 1868 - 224 pages
...definitions and prove a few propositions relating to the geometry of the sphere. DBF. A sphere is a surface every point of which is equally distant from a point within it called the centre. It follows at once that every plane section of a sphere through the centre is a circle whose centre... | |
 | Eli Todd Tappan - Geometry - 1868 - 432 pages
...circle. Hence, the following definitions : A CIRCLE is a portion of a plane bounded by a line called a CIRCUMFERENCE, every point of which is equally distant from a point within called the CENTER. 146. Theorem — A circumference is curved throughout. For a straight line can not... | |
 | English language - 1871 - 1024 pages
.../'••>•''•- \ A plane figure, bounded by a single curve line called its cireutuftrtncf, every part of which is equally distant from a point within it called the centre; — the line that bounds such a figure ; a circumference ; — a round body ; a sphere ; an orb ; a... | |
 | William Frothingham Bradbury - Geometry - 1872 - 124 pages
...double the square itself. BOOK III. THE CIRCLE. DEFINITIONS. 1. A Circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2. The Eadius of a circle is a line drawn from the centre to the circumference... | |
 | William Frothingham Bradbury - Geometry - 1872 - 262 pages
...situated are similar. BOOK III. F THE CIRCLE. DEFINITIONS. 1. A Circle is a piano figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2. The Radius of a circle is a lino drawn from the centre to the circumference... | |
 | English language - 1872 - 406 pages
...from cwr, round.] A plane figure boundedby a single curve line, called its circumference, every part of which is equally distant from a point within it, called the centre; — the line that bounds such a figure ; a circumference, Circuit, (ser'kit) n. [F., L. eircuitus,... | |
 | English language - 1872 - 426 pages
...from cwr, round.] A plane figure boundedby a single curve line, called its circumference, every part of which is equally distant from a point within it, called the centre; — the line that bounds such a ngure ; a circumference. Circuit, (ser'kit) n. [F., L. circuitиs,... | |
 | Eli Todd Tappan - Geometry - 1873 - 288 pages
...circle. Hence, the following definitions: A CIRCLE is a portion of a plane bounded by a line called a CIRCUMFERENCE, every point of which is equally distant from a point within called the CENTER. 146. Theorem — A circumference is curved throughout. For a straight line can not... | |
 | William Alexander Myers - Circle-squaring - 1873 - 238 pages
...AND RECTILINEAI, SURFACES E H Of the Circle, see Plate 3. 1. A circle is a plain figure bounded by a curved line called the circumference, every point of which is equally distant from a point withinAnd this point within is called the center A, F, C, B, H, D, G is the circumference and E the... | |
 | Marcius Willson - Mechanical drawing - 1881 - 236 pages
...a circle. A circle is a plane bounded by a single curved line called its circumference, every part of which is equally distant from a point within it called the centre. The circumference itself is usually called a circle. A straight line drawn from the centre to any part... | |
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A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig. 
