 | Earle Bertram Norris, Kenneth Gardner Smith, Ralph Thurman Craigo - Arithmetic - 1913 - 234 pages
...DO A in Fig. 48 is an obtuse angle. 46. Circles and Circular Measure. — A Circle is a flat surface bounded by a curved line all points of which are equally distant from a point within called the Center. The bounding line of a circle is called the Circumference, as shown... | |
 | Edith Long, William Charles Brenke - Algebra - 1913 - 300 pages
...this description. Are they all of the same area? 68. Circles. Definition. A circle is a plane figure bounded by a curved line, all points of which are equally distant from a point within called the center. Circles are easily drawn by the aid of a compass, which the student... | |
 | George C. Shutts - 1913 - 212 pages
...removed in boring a 6-inch well 180 feet deep? THE SPHERE. 676. A SPHERE. A solid bounded by a surface all points of which are equally distant from a fixed point within is a sphere. The fixed point is the center of the sphere and the bounding surface is the surface of... | |
 | Edith Long, William Charles Brenke - Geometry, Modern - 1916 - 292 pages
...I— CIRCLES. CENTRAL ANGLES. CHORDS. 122. Definitions. See also Articles 41 and 42. A circle is the portion of a plane bounded by a curved line, all points of which are equidistant from a point within called the center. The curved line is called the circumference of the... | |
 | John H. Williams, Kenneth P. Williams - Geometry, Solid - 1916 - 184 pages
...by producing each side in succession, is equal to four right angles. 188. A circle is a plane figure bounded by a curved line all points of which are equally distant from a point within called the center. 206. Through any three points not in a straight line the circumference... | |
 | Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 292 pages
...I— CIRCLES. CENTRAL ANGLES. CHORDS. 122. Definitions. See also Articles 41 and 42. A circle is the portion of a plane bounded by a curved line, all points of which are equidistant from a point within called the center. The curved line is called the circumference of the... | |
 | Wisconsin. Department of Public Instruction - Education - 1917 - 412 pages
...parallelogram having right angles. A square is a rectangle having equal sides. A circle is a plane surfa'ce bounded by a curved line, all points of which are equally distant from a point within called the center. The difference between the circle and the circumference of it must... | |
 | William Ledley Vosburgh - 1917 - 168 pages
...represent 1,000,000. III. CIRCLES 62. A curved line is a line no part of which is straight. A circle is a curved line all points of which are equally distant from a point within called the center. Any part of the curve is an arc. The radius of a circle is a straight... | |
 | United States - 1918 - 840 pages
...equal. w FIG. 9. — A Rectangle. Lx W = FIG. 10. — A Square. The Circle. A circle is a plane figure bounded by a curved line, all points of which are equally distant from a point within, called the center. The diameter of a circle is a straight line drawn through the center,... | |
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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. 
