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Bøker Bok 121130 av 190The 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. "
Trigonometry, Plane and Spherical: With the Construction and Application of ... - Side 5
av Thomas Simpson - 1810 - 125 sider
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Elements of Geometry and Trigonometry, from the Works of A.M. Legendre

1869
...the quadrant is divided into 90 equal parts, each of which k called a degree ; each degree into 00 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...
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A complete treatise on practical land-surveying

William Burness - 1870
...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. 40. The diameter of a circle is a right line drawn through the centre, A and terminating in the circumference...
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Arithmetic and Its Applications ...

Dana Pond Colburn - 1871
...1vge or small, is supposed to be divided into 360 equal pwrtsf called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called èeconds. (g.) A degree is to be regarded simply as the 860th part of the circumference of the circle...
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Elements of Surveying and Leveling; with Descriptions of the Instruments ...

Charles Davies - 1871 - 270 sider
...the quadrant is divided into 90 equal parts, each of which is called a degree; each degree into 00 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - 1871 - 187 sider
...quadrant is divided into 90 equal parts, each of which is called a degree / each degree into 60 equaF parts, called minutes; and each minute' into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...
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An Elementary Geometry and Trigonometry

William Frothingham Bradbury - 1872 - 238 sider
...triangles. 17. The circumference of every circle is dividad into 360 equal parts, called degrees ( ° ), each degree into 60 equal parts, called minutes (...and each minute into 60 equal parts, called seconds ( " ). 18. As angles at the centre valy as their arcs, or arcs as their corresponding angles, the measure...
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Elements of geometry, with ... trigonometry

André Darré - 1872
...circumference of every circle is supposed to be divided are called degrees ; each degree is divided into 60 equal parts called minutes ; and each minute into 60 equal parts called seconds. Symbols are used to express degrees, minutes, and seconds. Thus 57° 17' 45" means 57 degrees, 17 minutes,...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - 1872 - 455 sider
...the quadrant is divided into 90 equal parts, each of which is called a degree / each degree into 80 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7 a 22' 33",...
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Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

1874 - 455 sider
...angle. For convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; each degree into 60 equal parts, called • minutes...and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...
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Elements of Astronomy: Accompanied with Numerous Illustrations, a Colored ...

1874 - 312 sider
...circle may be divided into 360 equal parts, called Degrees (marked °). Each degree may be divided into 60 equal parts, called Minutes (') ; and each minute into 60 equal parts, called Seconds ("). A circumference may also be divided into 12 equal parts, of 30 degrees each. These are called...
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