| Charles Guilford Burnham - 1850 - 350 pages
...round pyramid, having a circular base. 8. A sphere is a solid, bounded by one continued convex surface, **every point of which is equally distant from a point within, called** the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter,... | |
| Elias Loomis - Calculus - 1851 - 300 pages
...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 straight line... | |
| 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... | |
| Charles Davies, William Guy Peck - Electronic book - 1855 - 592 pages
...two straight lines cannot include a space. A circle is a portion of a plane bounded by a curved line, **every point of which is equally distant from a point within, called** the centre. 1 The curve is called the circumference, or in common language, the circle. So that in... | |
| 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... | |
| John Fair Stoddard - Arithmetic - 1856 - 312 pages
...ten, a DECAGON ; that of twelve, a DODECAGON, &c. A CIRCLE is a plane, terminated by a curved line, **every point of which is equally distant from a point within, called** the centre. The curved line is called the circumference. The DIAMETER of a circle is a line passing... | |
| Hiram Mattison - Astronomy - 1856 - 254 pages
...• c. i;. 18. ClBCLES AND ELLIPSES. A Circle is a plane figure, bounded by a curve line, every part **of which is equally distant from a point within called the center.** Concentric Circles are such as are drawn around a common center. The Circumference of a circle is the... | |
| Sarah S. Cornell - Geography - 1857 - 420 pages
...magnitude of the radius. Definition of a Sphere. — A Sphere is a hody hounded by one continuous surface, **every point of which is equally distant from a point within called** its centre. Any line drawn from the centre to the surface is called a radiits. A line passing through... | |
| Elias Loomis - Conic sections - 1858 - 256 pages
...THE CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circk 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. 2. A radius of a circle is a straight... | |
| Bridge building - 1857 - 250 pages
...which have like positions in similar polygons. 34. The circumference of a circle is a curved line, **every point of which is equally distant from a point within, called** the centre. 35. The circle is the surface bounded by the circumference. 36. A radius of a circle is... | |
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