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 Βιβλία Βιβλία 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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## New Elementary Geometry: With Practical Applications; a Shorter Course, Upon ...

Benjamin Greenleaf - 1873 - 176 σελίδες
...corresponding terms will be proportionals. BOOK III. THE CIRCLE, AND THE MEASURE OF ANGLES. DEFINITIONS. 119. 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 center ; as the figure ADB E.... ## New Elementary Geometry with Practical Applications

Benjamin Greenleaf - 1874 - 176 σελίδες
...corresponding terms will be proportionals. BOOK III. THE CIRCLE, AND THE MEASURE OF ANGLES. DEFINITIONS. 119. 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 center ; as the figure AD BE.... ## First Lessons in Geometry: In Two Parts

B. Marks - 1875
...plane figure bounded by this curve is called a " circle." What point is at the centre of this figure ? A circle is a plane figure bounded by a curved line, all points of which are equally distant from the centre. The curved line is called a " circumference." The circumference of a circle in the curve... ## New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1875 - 208 σελίδες
...9. How many days in 48 hours ? In 72 hours ? 10. How many 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- OOU-AJ i» IEIW ter. 170.... ## Hand-book of the Terrestrial Globe: Or, Guide to Fitz's New Method of ...

Ellen Eliza Fitz - 1876 - 120 σελίδες
...has length, breadth, and thickness. 13. A sphere is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. A sphere may be formed or generated by the revolution of a semicircle about its diameter. 14. The radius... ## New Elementary Arithmetic, Embracing Mental and Written Exercises ...

Henry Bartlett Maglathlin - 1876 - 224 σελίδες
...hours in 120 minutes? days in 48 hours ? In 72 hours ? years in 365 days? E180" 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 ceil- SOO-A ter. 170. The Circumference... ## Elements of Plane and Solid Geometry

George Albert Wentworth - 1877 - 398 σελίδες
...BOOK VIII. THE SPHERE. ON SECTIONS AND TANGENTS. 669. DBF. A Sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 670. DBF.... ## Elements of Plane and Solid Geometry

George Albert Wentworth - 1877 - 398 σελίδες
...BOOK II. CIRCLES. DEFINITIONS. 160. DBF. 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 of a circle is the line which bounds the circle. 162. DBF. A Radius of... ## Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - 1877 - 443 σελίδες
...IX. SPHERICAL GEOMETRY. Definitions. \. A sphere is a solid bounded by a curved surface, all the A. points of which are equally distant from a point within called the centre. A sphere may be conceived to be described by the revolution of a semicircle ADB about its diameter... ## Elements of Plane and Solid Geometry

George Albert Wentworth - 1877 - 398 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...