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 Βιβλία Βιβλία 141 - 150 από 190 για The circumference of every circle is supposed to be divided into 360 equal parts,.... The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c. The National Arithmetic on the Inductive System: Combining the Analytic and ... - Σελίδα 311
των Benjamin Greenleaf - 1853 - 360 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A complete treatise on practical land-surveying

William Burness - 1870
...circumference, which is everywhere equidistant from a certain point within it, called the centre. 39. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.... ## Elements of Geometry and Trigonometry: With Applications in Mensuration

1870 - 319 σελίδες
...the six parts is given. 21. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes ; and each minute into... ## Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - 1871 - 58 σελίδες
...Trigonometry treats of plane triangles; Spherical Trigonometry treats of spherical triangles. (19.) The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated... ## New Elementary Arithmetic, Embracing Mental and Written Exercises, for ...

...circle is any straight line drawn through the center, and terminated by the circumference, as AE. 105. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. BISO* 270° What is a Circle ? The Circumference of a circle ? What is an Arc of a cirele ? A Diameter... ## First Book of Mathematics: Being an Easy and Practical Introduction to the ...

Hugo Reid - 1872 - 124 σελίδες
...two circumferences would exactly coincide. Division of the Circumference. 34. The circumference of a circle is supposed to be divided into 360 equal parts, called degrees, and marked °. Each degree is divided into 60 equal parts, called -minutes, and marked '. Each minute is... ## The Quadrature of the Circle: The Square Root of Two, and the Right-angled ...

William Alexander Myers - 1873 - 164 σελίδες
...treats of plane triangles ; spherical trigonometry treats of spherical triangles. The circumference of a circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated... ## The American House-carpenter: A Treatise on the Art of Building, and ...

Robert Griffith Hatfield - 1874 - 444 σελίδες
...abd, (see note to Art. 27,) theii each of the two angles is called a right angle. 131. — Definition. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; hence a semi-circle contains 180 degrees, a quadrant 90, &c. Fig. 90. 132. — Definition. The measure... ## THE QUADRATURE OF THE CIRCLE, THE SQUARE ROOT OF TWO, AND THE RIGHT-ANGLED ...

WILLIAM ALEXANDER MYERS - 1874
...treats of plane triangles ; spherical trigonometry treats of spherical triangles. The circumference of a circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated... ## Elements of astronomy

Hugo Reid - 1874
...circumference it forms. For this purpose, the circumference of a circle, whatever its magnitude may be, is supposed to be divided into 360 equal parts, called degrees, and marked °. To express still smaller parts, each degree is divided into 60 equal parts, called minutes,... ## New Elementary Arithmetic: Embracing Mental and Written Exercises, for Beginners

Henry Bartlett Maglathlin - 1875 - 208 σελίδες
...circle is any straight line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. •What is a Circle? The Circumference of a circle? What is an Arc of a circle ? A Diameter? How is...