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" PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the centre. "
A Complete Arithmetic: Oral and Written - Σελίδα 72
των Malcolm MacVicar - 1878
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New Elementary Arithmetic: Embracing Mental and Written Exercises for ...

Benjamin Greenleaf - 1879 - 224 σελίδες
...hours? hours in 120 minutes? days in 48 hours ? In 72 hours ? years in 365 days? CIRCULAR MEASURE. 169. 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 cen- aso° A ter. 170. The...

National Arithmetic: Oral and Written : for Common Schools, Academies, Etc

Joseph Ficklin - 1881 - 394 σελίδες
...4, and not by 100, and also when it is divisible by 400, it is a LEAP TEAK. CIEOULAK MEASUKES. 265. A Circle is a plane figure bounded by a curved line,...equally distant from a point within called the Centre. 266. A Circumference is the line that bounds a circle. 267. A Degree is one of the 360 equal parts...

National Arithmetic: Oral and Written : for Common Schools, Academies, Etc

Joseph Ficklin - 1881 - 394 σελίδες
...off the top, by a plane parallel to the base. 633. A Sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within, called the Centre. The Diameter of a sphere is a straight line drawn through the centre, and terminated both ways by the...

Elements of Geometry, After Legendre, with a Selection of Geometrical ...

Charles Scott Venable - 1881
...AND THE MEASUREMENT OF ANGLES. DEFINITIONS. I. The circumference of a circle is a curve line, all the points of •which are equally distant from a point •within, called the centre. The circle is the space terminated by this curved line. NB — Sometimes, in common Ianguage, the circle...

Elements of Geometry

George Albert Wentworth - 1881 - 250 σελίδες
...to the middle points of the opposite sides meet in a point. BOOK П. CIRCLES. DEFINITIONS. 160. DEF. 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. 161. DEF. The Circumference...

The Indiana School Journal, Τόμος 26

1881
...quadrilateral having only two sides parallel, (c) A sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within, called the center. •9 Area of up. base = 4 X 4 = '6" " low. " = 9 X 9 = 8«" " mid. " = i/T6~X&i = 36. "...

Elements of Plane Geometry

Franklin Ibach - 1882 - 196 σελίδες
...GEOMETRY. BOOK III. THE CIRCLE. DEFINITIONS. 172. A Circle, is a plane bounded by a curve, all the points of which are equally distant from a point within, called the centre. A( The Circumference, of a circle is the curve which bounds it. An Arc is a part of the circumference...

The Complete Arithmetic, Oral and Written, on the Basis of Works

Henry Bartlett Maglathlin - 1882 - 368 σελίδες
...century did 1620 come ? ARC AND ANGLE MEASURES. 177. A Circle is a plane surface bounded by a curve, all points of which are equally distant from a point within called the center. The circumference of a circle is its boundary line. An arc of a circle is any part of the...

The Eclectic Complete Geography

Van Antwerp, Bragg & Company - 1883 - 114 σελίδες
...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. 13. A Great Circle...

A New Complete Arithmetic: Uniting Oral and Written Exercises

Emerson Elbridge White - 1883 - 360 σελίδες
...called the Base, and the other the Perpendicular or Altitude. (Art. 370.) ART. 190. A Circle is a plane bounded by a curved line, all points of which are equally distant from a point within called the center. (Art. 158, note 2.) The curved line which bounds a circle is its Circumference. ART. 191....




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