 | George Albert Wentworth - Geometry - 1899 - 496 pages
...and the cone. BOOK VIII. THE SPHERE. PLANE SECTIONS AND TANGENT PLANES. 737. DBF. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. 738. A sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis.... | |
 | George Albert Wentworth - Geometry, Plane - 1899 - 278 pages
...FC. BOOK II. THE C1KCLK DEFINITIONS. 216. A circle is a portion of a plane bounded by a curved line, all points of 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 line from... | |
 | Webster Wells - Geometry - 1899 - 450 pages
...CIRCLE. DEFINITIONS. 142. A circle (O) is a portion of a plane bounded by a curve called a circumference, all points of which are equally distant from a point within, called the centre ; as ABCD. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from... | |
 | Charles Austin Hobbs - Geometry, Plane - 1899 - 266 pages
...necessary to make use of circles. A circle is a portion of a plane bounded by a curved line, all the points of which are equally distant from a point within called the centre. The bounding line is called the circumference, and any part of the circumference is called an arc;... | |
 | George Edward Atwood - Arithmetic - 1899 - 392 pages
...the base by one-third the altitude. SPHERES. 466. A Sphere is a solid bounded by a uniformly curved surface, all points of which are equally distant from a point within called the center. 467. The Diameter of a sphere is a straight line passing through the center and terminating... | |
 | Edward Brooks - Geometry, Modern - 1901 - 278 pages
...THE MEASURE OF ANGLES. DEFINITIONS. 1. A CIRCLE is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the centre. 2. The CIRCUMFERENCE of acircle is the line which bounds the circle. A Semi-circumference is one-half... | |
 | Anson K. Cross - Drawing - 1901 - 200 pages
...station-point. DEF1N1T10NS. Circle. A plane figure bounded by a curved line, called a circumference, all points of which are equally distant from a point within called the center. A The boundary line is called the CIRCUMFERENCE. DIAMETER. A straight line drawn through... | |
 | Alan Sanders - Geometry, Modern - 1901 - 260 pages
...right-angled triangle contains one right angle. 19. A circle is a portion of a plane bounded by a curved line, all points of which are equally distant from a point within, called the center. The bounding line is called the circumference. 20. The distance from the center to any... | |
 | George Albert Wentworth - Geometry, Solid - 1902 - 248 pages
...and the cone. BOOK VIII. THE SPHERE. PLANE SECTIONS AND TANGENT PLANES. 737. DBF. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. 738. A sphere may be generated by the revolution of a semicircle ACB about its diameter AB as an axis.... | |
 | Theophilus Nelson - Geometry, Modern - 1902 - 154 pages
...following definition of a cirFIG. 10. cumference. Definition: — A circumference is a curved line all points of which are equally distant from a point within called the centre. 28. A circumference incloses or bounds a portion of a plane. This portion of a plane is called a circle.... | |
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A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. 
