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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 60 Seconds, and so on.
The Theory and Practice of Surveying: Containing All the Instructions ... - Pągina 39
per Robert Gibson - 1814 - 508 pągines
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## Elements of Geometry and Trigonometry: From the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - 1854 - 432 pągines
...the six parts is given. 3. 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 60...
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## Elements of Plane and Spherical Trigonometry: With Their Applications to ...

Elias Loomis - 1855 - 178 pągines
...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...
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## New University Arithmetic: Embracing the Science of Numbers, and Their ...

Charles Davies - 1856 - 437 pągines
...latitude and longitude, in measuring the motions of the heavenly bodies, and also in measuring angles. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into CO minutes, and each minute into 60 seconds. TABLE. 422. For what is circular...
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## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1856 - 311 pągines
...degrees, the whole circle of the Zodiac.7 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 1 PLANET, from planao, G. to wander, means a celestial (4) body, which revolvea about the sun or other...
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## A course of practical geometry for mechanics

William Pease - 1856
...standard of measurement for angles has been obtained. Among English mathematicians, the circumference of a circle is supposed to be divided into 360 equal parts, called degrees ; an angle which is formed by two radii will therefore contain a certain number of those parts, and...
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## Bouvier's Familiar Astronomy, Or, An Introduction to the Study of the ...

Hannah Mary Bouvier - 1857 - 499 pągines
...See PLEIADES. Sexagesimal. — The division of the circle by lixtie*. — Thus, the circumference is divided into 360 equal parts called degrees, and each...degree into 60 equal parts called minutes, and each minnto into 60 equal parts called second;. Seztani. — A southern constellation, the middle of which...
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## The American House Carpenters' and Joiners' Assistant

Lucius D. Gould - 1857
...middle; thus, the angle contained by the line A c and E o, is called the angle A CE, or EC A. Fig. 9. The circumference of every circle is supposed to be divided into 360 equal parts, I Plate 8. PLATE IX. Is a plastered groin arch designed for an oblong ceiling, and its angles represented...
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## A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857
...12 signs,or360° ............................ 1 circle. " Every circle, without regard to its size, is supposed to be divided into 360 equal parts, called degrees, and these again to be subdivided into minutes and seconds ; so that the absolute quantity expressed by...
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## Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - 1857 - 448 pągines
...the six parts is given. 3. 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 60...
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## Mensuration and Practical Geometry: Containing Tables of Weights and ...

Charles Haynes Haswell - 1858 - 322 pągines
...that touches a circle without cutting it. A Cotangent is the tangent of the complement of the arc. 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, and so on. The Complement of an angle...
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