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Libros Libros 41 - 50 de 115 sobre 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 ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. "
Elements of Plane and Spherical Trigonometry: With Their Applications to ... - Página 4
por Olinthus Gregory - 1816 - 244 páginas
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A Treatise on Astronomy

Mrs. L. H. Tyler - 1837 - 288 páginas
...a circle. (21.) DBF. 4. Every circle, from the smallest to the largest, is conceived 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. These divisions are usually expressed by signs...
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The Complete Mathematical and General Navigation Tables: Including Every ...

Thomas Kerigan - 1838
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into , 60 equal parts, called seconds, and so on. The Meridian of any place on the earth is...
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A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 páginas
...opening or inclination to each other. 2. 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 again into 60 equal parts, called seconds. The angles are measured by the number of...
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An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839
...DE is the measure of the angle ABC. (56) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are measured by the number of degrees cut from...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - 1839 - 261 páginas
...accuracy. 41. For the purposes of trigonometrical calculations, the circumference of the circle is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. PLANE TRIGONOMETRY. V As the circumference of...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - 1839 - 261 páginas
...accuracy. 41. For the purposes of trigonometrical calculations, the circumference of the circle is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. PLANE TRIGONOMETRY \ As the circumference of a...
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The star, a complete system of the theoretical and practical astrology, by ...

J. David Parkes - 1839
...Aquarius, and X Pisces, which are called the twelve signs of the Zodiac. Each sign is divided into 30 equal parts, called degrees, each degree into 60 equal parts, called minutes, and each minute into 60 seconds, and so on to thirds, fourths, fifths, &c. Abréviations. — * Sextile;...
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The Elements of Arithmetic...

Augustus De Morgan - 1840 - 162 páginas
...radius, very nearly. Multiply the square of the radius by 3-1415927. * The right angle is divided into 90 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Thus, 2° 15' 40" means 2 degrees, 15 minutes,...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - 1835 - 359 páginas
...accuracy. 41. For the purposes of trigonometrical calculations, the circumference of the circle is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. PLANE TR16ONOMETRY. As the circumference of a...
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A Treatise on Trigonometry, and on Trigonometrical Tables and Logarithms ...

John Hymers - 1841 - 151 páginas
...certain angle fixed upon as the unit of angular measure. For this purpose we divide a right angle into 90 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds ; then an angle is expressed by the number of degrees, minutes,...
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