 | Geography - 1883 - 132 pages
...North-west. South-west. — 10. What is a compass ? CIRCLES OF THE EARTH. 11. 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. 12. The Circumference of a circle is the curved line that bounds it.... | |
 | Esmond Vedder De Graff, Margaret Keiver Smith - Teaching - 1883 - 324 pages
...possible, and describes.) T. Who can make the definition to suit that description? Ch. A space enclosed by a curved line, all points of which are equally distant from a point within, is called (T. give term) a circle. 59 Ch. The space is the circle. T. -(To circumference.)... | |
 | George Albert Wentworth - Arithmetic - 1886 - 392 pages
...perpendicular to the middle of AB, § 347. FIG. 14. Fie. 15. CIRCUMFERENCES. 356. A circumference is a curved line all points of which are equally distant from a point within called the centre. 357. To trace a circumference, fix upon paper one of the points of... | |
 | George Albert Wentworth - Geometry - 1888 - 264 pages
...isosceles triangle is equal to 60°, the triangle is equilateral. BOOK II. THE CIRCLE. DEFINITIONS. 210. A circle is a portion of a plane bounded by a curved line called a circumference, all points of which are equally distant from a point within called the centre.... | |
 | George Irving Hopkins - Geometry, Plane - 1891 - 204 pages
...the sum of these perpendiculars is constant, and equal to the altitude of the triangle. OIECLES. 183. 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. Any portion of the circumference... | |
 | James N. Patrick - Educational psychology - 1891 - 232 pages
...equally distant from a point within called the centre; the figure on the blackboard is a plane figure bounded by a curved line, all points of which are equally distant from the centre ; therefore, the figure is a circle. These are clear illustrations of deductive reasoning.... | |
 | Webster Wells - Arithmetic - 1893 - 390 pages
...street. 15. If the area of a square is 33 sq. ft. 50 sq. in., what is the length of its diagonal ? 229. 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; as ABD. The bounding curve is called the circumference of the circle.... | |
 | Mary Ann Bacon - Arithmetic - 1894 - 270 pages
...Circular measure is used in measuring angles and arcs, latitude and longitude. A Circle is a plane figure bounded by a curved line, all points of which are equally distant from a point within called the centre, The bounding line of a circle is called its Circumference. A diameter... | |
 | John Tilden Prince - Arithmetic - 1894 - 246 pages
...AX = xy:XY. The following definitions may be taught as previously shown : 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 circumference of a circle is the line which bounds it. The diameter... | |
 | James N. Patrick - Educational psychology - 1894 - 248 pages
...equally distant from a point within called the centre; the figure on the blackboard is a plane figure bounded by a curved line, all points of which are equally distant from the centre ; therefore, the figure is a circle. These are .clear illustrations of deductive reasoning.... | |
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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. 
