 | Elias Loomis - Calculus - 1851 - 300 pages
...become x=r cos. «, y=r sin. v. SECTION IT. ON THE CIRCLE. (32.) A CIRCLE is a plane figure bounded by a line, every point of which is equally distant from a point within called the center. This bounding line is called the circumference of the circle. A radius of a circle is a... | |
 | Benjamin Greenleaf - 1851 - 332 pages
...Ans. 13.92-f- feet. ART. 284. A SPHERE is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. The diameter of a sphere is a straight line passing through the centre, and terminated by the surface... | |
 | John Fair Stoddard - Arithmetic - 1852 - 320 pages
...t«i, a DECAGON ; that of twelve, a DODECAGON, &-i•.. A CIRCLE is a plane, terminated by a curved line, every point of which is equally distant from a point within, culled the center. The curved line is called the circumference The DIAMETER of a circle is a line passing... | |
 | Ezra S. Winslow - Business mathematics - 1853 - 264 pages
...parameter. A Sphere, or globe, is a perfectly round substance — a solid contained under a curved surface, every point of which is equally distant from a point within, called the centre. Its axis, or diameter, is any right line passing from a side through the centre to the opposite side.... | |
 | Benjamin Greenleaf - 1854 - 342 pages
...Ans. 13.92+ feet. ART. 2841. A SPHERE is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. The diameter of a sphere is a straight line passing through the centre, and terminated by the surface... | |
 | Henry Kiddle - 1854 - 154 pages
...and BG the minor axis of the ellipse. A sphere or globe is a round body, every part of the surface of which is equally distant from a point within called the centre. A hemisphere is a half of a globe. The diameter of a sphere is a straight line drawn through the centre,... | |
 | Charles Davies, William Guy Peck - Mathematics - 1855 - 628 pages
...Descriptive Geometry, Shade» and Shadows, Perspective, Spherical Projections, and Isometrical Projcca curved line, every point of which is equally distant from a point within, called the centre. The curve is called the circumference, or in common language, the circle. So that in speaking of the... | |
 | Cornelius S. Cartee - Physical geography - 1855 - 348 pages
...surface has length and breadth without thickness, and may be either plane or curved. 97. A circle is a figure bounded by a curve line, every point of which is equally distant from the centre. The line which limits a circle is the circumference. A straight line passing through the... | |
 | John Brocklesby - Astronomy - 1855 - 394 pages
...centre, (Latin) out of the centre. 19. A SPHERE. 'A sphere is a solid, bounded by a curved surface, every point of which is equally distant from a point within, called the centre; every line passing through this centre, and limited by the surface, is a diameter. The half of this... | |
 | Charles Davies, William Guy Peck - Electronic book - 1855 - 592 pages
...from circa», anything of a round form]. A portion of a plane AEBF. bounded by a curved line, even' point of which is equally distant from a point within -*'~ called the centre. The bounding line is called the circumference. The term circle, is often applied to the circumference... | |
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A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center. 
