 | Charles Winslow Deane, Mary R. Davis - Geography - 1899 - 348 pages
...from a point within, called the center. The curved line is called THE CIRCUMFERENCE of the circle. THE DIAMETER of a circle is a straight line drawn through the center to two opposite points in the circumference. THE RADIUS is half the diameter, or a line drawn from... | |
 | Isaac Perry Hicks - Building - 1902 - 172 pages
...33, is a plane figure bounded by one uniformly curved line called the circumference. The diarr.eter of a circle is a straight line drawn through the center and terminating at the circumference. The radius is a straight line drawn from the center to the circumference, and... | |
 | George Edward Atwood - Arithmetic - 1902 - 168 pages
...is equally distant from the center. The Circumference of a circle is the curved line that bounds it. The Diameter of a circle is a straight line drawn through the center terminating in the circumference. The Radius of a circle is a straight line drawn from the center to... | |
 | Arnold Lupton - Coal mines and mining - 1902 - 494 pages
...shows a circle ; the point A, from which it has been described, is called the centre of the circle. The diameter of a circle is a straight line drawn through the centre, terminated both ways by the circumference (BC, Fig. 65). The radius of a circle is a straight... | |
 | David Martin Sensenig, Robert Franklin Anderson - Arithmetic - 1902 - 376 pages
...as, AG. A straight line joining the center and any point on the circumference is a Radius; as, EG. A straight line drawn through the center and terminating in the circumference is a Diameter ; as, A B. 212. Two perpendicular diameters divide the circum, fe.ence into four equal... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 426 pages
...bounds the circle is called the circumference. Any portion of the circumference is called the arc. 171. The diameter of a circle is a straight line drawn...with the circumference ; it has a length equal to one-half the diameter. All radii (plural of radius) are equal since every point of the circumference... | |
 | Alan Sanders - Geometry - 1903 - 392 pages
...radius of a sphere is a straight line drawn from the center to the surface. A diameter of a sphere is a straight line drawn through the center and terminating in the surface. A line or a plane is tangent to a sphere if it has one point and only one point in common... | |
 | Isaac Newton Failor - Geometry - 1904 - 100 pages
...radii) of a circle is a straight line drawn from the center to the circumference; as, OG (Fig. 89). The diameter of a circle is a straight line drawn through the center and terminated by the circumference; as, AB (Fig. 89). A chord of a circle is a straight line which has... | |
 | Fletcher Durell - Geometry, Plane - 1904 - 382 pages
...radius of a circle is a straight line drawn from the center to any point on the circumference, as AO. A diameter of a circle is a straight line drawn through the center and terminated by the circumference, as BC. 199. An arc is any portion of a circumference, as AC. A semicircumference... | |
 | Fletcher Durell - Geometry - 1911 - 553 pages
...radius of a circle is a straight line drawn from the center to any point on the circumference, as AO. A diameter of a circle is a straight line drawn through the center and terminated by the circumference, as EC. 199. An arc is any portion of a circumference, as AC. A semicircumference... | |
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CIRCLES. 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. The curve which bounds the circle is called the circumference. 
