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" 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, etc. "
A Manual of Astronomy and the Use of the Globes ... - Page 16
by Henry Kiddle - 1854
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A Compendious Course of Practical Mathematics: Particularly Adapted to the ...

Paul Hoste - Mathematics - 1769 - 294 pages
...is call'd the chord, or fubtendent of the arch. The whole circumference of every circle isfuppofed to be divided into 360 degrees, each degree into 60 minutes, and each minute inta 60 feconds, fcfr. 2. What 2. What an arch wants of 90 degrees, rs callM its complement; and its...
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Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 1

Mathematics - 1801 - 446 pages
...the two sides, that, which stands at the angular point, is rend in the middle. C 56. The 39° 5 6. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into do seconds, and so...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - Surveying - 1804 - 226 pages
...the Centre ; and it divides the Circle into two equal parts, called Semicircles ; as AB or DE. 14. 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...
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The shipwright's vade-mecum [by D. Steel].

David Steel - 1805 - 392 pages
...centre to the circumference of a circle, is called a Radius. All the radii of the same circle are equal. The circumference of every circle is supposed to be divided into 360 parts, called degrees; each degree into 60 equal parts, called minutei; and each minute into 60 equal...
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A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - Surveying - 1806 - 486 pages
...circumference into two equal parts called semicircles ; and is double the radius, as AB or DE. fig. 8. • 18. 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...
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An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - Navigation - 1810 - 478 pages
...thus the arc *c is the measure of the angle aBC and the arc DE is the measure of the angle ABC. (H) 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...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Surveying - 1811 - 580 pages
...circumference into two equal parts, called semicircles ; and is double the radius, as AB or DE. fig. 8. m *!6. 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...
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811 - 406 pages
...and the other two on the two sides, that which stands at the angular point is read in the middle. 57. The circumference of every circle is supposed to be divided into 360 equnl parts, called Degrees : and each degree into 60 Minutes, each minute into 60 Seconds, and so...
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A Compendious Treatise on the Use of the Globes, and of Maps: Compiled from ...

John Lathrop - Astronomy - 1812 - 218 pages
...36O equal parts, called degrees. — [Fig. 1.] 48. Every circle is supposed to be divided into 3GO degrees ; each degree into 60 minutes, and each minute into 60 seconds. 49. A degree of a great circle in the heavens is a space nearly equal to twice the apparent diameter...
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Easy Introduction to Mathematics, Volume 2

Charles Butler - 1814 - 582 pages
...point being the centre. 4. H has already been observed (Art. 23?. part 8.), that the wkJe circumference is supposed to be divided into 360 degrees, each degree into 60 minutes, each minute into 60 Seconds, &c. ; % many degrees, minutes, and seconds therefore, as are contained...
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