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Bøker Bok 6170 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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On the Connexion of the Physical Sciences

Mary Somerville - 1835 - 493 sider
...the ellipse. NOTE 49. p. 12. Ninety degrees. A circle is divided into 3fiO equal parts, or degrees; each degree into 60 equal parts, called minutes ;...and each minute into 60 equal parts, called seconds. It is usual to write these quantities thus, 15° 16' 10'', which means fifteen degrees, sixteen minutes,...
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A System of Natural Philosophy, in which the Principles of Mechanics ...

John Lee Comstock - 1835
...neai the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into (50 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign...
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A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - 1835 - 286 sider
...neai the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into GO parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign...
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The Element of Geometry

John Playfair - 1836 - 114 sider
...called the measure of the angle ABC, II. The circumference of a circle may be supposed to be divided into 360 equal parts called degrees ; and each degree...and each minute into 60 equal parts called seconds, &c. And as many degrees, minutes, seconds, &c. as are contained in any arc, of so many degrees, minutes,...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - 1836 - 359 sider
...trigonometrical calculation, the cir cumference 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. The semicircumference, or the measure of two right angles, contains 180 degrees ; the quarter of the...
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A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - 1836 - 295 sider
...appears to move Each of the 12 signs of the zodiac is divided (nto 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into BO parts, called seconds.) The division of the zodiac into signs, is of very ancient date, each sign...
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Elements of Surveying: Including a Description of the Instruments and the ...

1837 - 249 sider
...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. As the circumference of a circle may be regarded as a proper measure of angles, having their vertices...
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A Treatise on Astronomy

Mrs. L. H. Tyler - 1837 - 288 sider
...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 : thus, 15° 10' 15" signifies five degrees, ten minutes,...
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A Treatise on Mensuration for the Use of Schools

Commissioners of National Education in Ireland - 1837 - 262 sider
...circumference pf every circle is generally divided into 360 equal parts, called degrees ; and every degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. The angles are measured by the number of degrees contained in the arcs which subtend them ; thus, if...
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Treatise on Arithmetic, in Theory and Practice: With an Appendix, Containing ...

James Thomson (LL.D.) - 1837 - 284 sider
...every circle is supposed to be divided into 360 equal parts, called degrees;* each degree is subdivided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. MISCELLANEOUS TABLE. 12 articles =1 dozen „ ,-. ( 12 dozen = 1 gross 6 6core or 120" = i.ong 20 articles...
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