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 Βιβλία Βιβλία 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 ... - Σελίδα 39
των Robert Gibson - 1814 - 508 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1843 - 312 σελίδες
...degrees, the whole circle of the Zodiac.' 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 2 LATITUDE, from latus, L. side, means the distance North or South of the equator; (5) breadth; room;... ## Elements of Geography, Modern and Ancient with a Modern and an Ancient Atlas

Joseph Emerson Worcester - 1844 - 331 σελίδες
...globe. One is the north, and the other the south pole ; and they are each 90 degrees from the equator. 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 secotuls.... ## A Treatise on Plane and Spherical Trigonometry: Including the Construction ...

Enoch Lewis - 1844 - 228 σελίδες
...What an arc lacks of a semicircle, is called its supplement. Thus BHD is the supplement of AB. 10. 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, &c.... ## An Elementary Treatise on Mineralogy: Comprising an Introduction to the Science

William Phillips - 1844 - 662 σελίδες
...which they consist. In measuring angles, the circle is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 seconds : the divisions being thus designated : 360°, 60', GO". If one fourth part of the circle,... ## Text-book of Arithmetic: For the Use of Teachers : Including All the ...

John Hunter - 1852 - 168 σελίδες
...the Gregorian scheme is called, is now 12 days before the Old or Julian Style. ANGCLAR MEASURE. — The circumference of every circle is supposed to be divided into 360 degrees (360°), each degree into 60 minutes (60'), and each minute into 60 seconds (60"). The French... ## ELEMENTS OF GEOMETRY AND TRIGONOMETRY

A. M. LEGENDRE - 1852
...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... ## Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - 1886 - 324 σελίδες
...the six parts is given. 21. 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 di. rided into 60 equal parts, called minutes ; and each minute into... ## Elements of Surveying and Navigation: With Descriptions of the Instruments ...

Charles Davies - 1852 - 392 σελίδες
...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... ## A Treatise on a Box of Instruments and the Slide-rule: For the Use of ...

Thomas Kentish - 1852 - 228 σελίδες
...these problems repeated at the end of the Uses of the Slide Rule. TRIGONOMETRY. THE circumference of a circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes; each minute into GO seconds; and so on. Degrees are marked... ## ENGINEERS AND MECHANICS POCKET BOOK

CHAS. H. HASWELL - 1853
...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 BO on. The Complement of an angle...