Libros Libros 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. Elements of Plane Trigonometry: And Their Application to the Measurement of ... - Página 14
por William Frothingham Bradbury - 1864
Vista completa - Acerca de este libro ## Arithmetic, algebra, logarithms, geometry and trigonometry, elementary ...

...the unknown parts from the given parts is called the solution of the triangle. 78. In trigonometry, the circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; every degree is subdivided into 60 equal parts, called minutes; and every minute is again divided...
Vista completa - Acerca de este libro ## A Treatise on Coal Mining: Prepared for Students of the International ...

...the unknown parts from the given parts is called the solution of the triangle. 741. In Trigonometry, the circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; every degree is subdivided into 60 equal parts, called minutes, and every minute is again divided...
Vista completa - Acerca de este libro ## Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables ...

International Correspondence Schools - 1900 - 637 páginas
...circumference being at the vertex of the angle. For measuring angles, the circumference is divided into :i60 equal parts. called degrees; each degree into 60 equal parts called minutes. A quadrant is one-fourth the circumference of a circle, or 90°. The complement of an arc is 90° minus...
Vista completa - Acerca de este libro ## Elementary Algebra and Mensuration: Instruction Paper

American School (Lansing, Ill.) - 1902 - 72 páginas
...degrees is measured by ^ of the circumference. 185. For accurate measurement each degree is divided into 60 equal parts called minutes and each minute into 60 equal parts ('ailed seconds. The symbols of degrees, minutes and seconds are °, ', ", respectively. To express...
Vista completa - Acerca de este libro ## Mathematics

...degrees is measured by ^ of the circumference. 185. For accurate measurement each degree is divided into 60 equal parts called minutes and each minute into 60 equal parts called seconds. The symbols of degrees, minutes and seconds are °, ', ", respectively. To express 23 degrees, 47 minutes...
Vista completa - Acerca de este libro ## The Progressive Arithmetic: Part I-[III], Parte3

Wilbur Fisk Nichols - 1903
...o'clock, in what time will the hands of a clock be at right angles to each other ? 1. For convenience, every circle is supposed to be divided into 360 equal parts called degrees. 2. By means of an instrument called a protractor any angle can be measured. 3. From cardboard cut out...
Vista completa - Acerca de este libro ## The Elements of Geometry

Walter Nelson Bush, John Bernard Clarke - 1905 - 355 páginas
...theorem may be stated thus : A central angle is measured by its intercepted arc. The circumference is divided into 360 equal parts, called degrees ; each...and each minute into 60 equal parts, called seconds. For brevity, an angle measured by an arc of 1° is called an angle of 1° ; etc. NOTE. — This division...
Vista completa - Acerca de este libro ## School Arithmetic: Practical Book

John Marvin Colaw, Frank Williamson Duke - 1906 - 400 páginas
...passing around the earth on its surface ? 444. In measuring circumferences, each degree is divided in 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. In this measure, degrees, minutes, and seconds are written with symbols. Thus, 3 degrees, 25 minutes,...
Vista completa - Acerca de este libro ## ... New Complete Geography

Matthew Fontaine Maury - 1906 - 225 páginas
...equally ? which unequally ? Examine the edges of the pieces ; which are great circles ? Small circles ? Every circle is supposed to be divided into 360 equal parts called degrees, marked (°). Each degree is divided into tiO minutes, marked ('), and each minute into 60 seconds,...
Vista completa - Acerca de este libro ## Mechanics and Hydrostatics for Beginners

Sidney Luxton Loney - 1905 - 290 páginas
...inconvenient unit of measurement on account of its size. We therefore subdivide a right angle into 90 equal parts called degrees, each degree into 60 equal...and each minute into 60 equal parts called seconds. The symbols used for a degree, a minute, and a second are 1°, 1', and 1". Thus 10° 11' 12" means...
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