 | Ellen Eliza Fitz - 1876 - 138 σελίδες
...angles, the circumference of a circle is divided into 360 equal parts, called degrees (marked °), each degree into 60 equal parts, called minutes ('), and each minute into 60 equal parts, called seconds ("). Then the number of degrees, minutes, and seconds, in the arc intercepted... | |
 | Albert Newton Raub - 1877 - 176 σελίδες
...AD, is called a Diameter. 129. Every circumference 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. TABLE. 60 seconds ( " ) =1 minute, ( ' ). 60 minutes =1 degree, (°).... | |
 | James Rosser - 1877 - 174 σελίδες
...as AF, or B r. The circumference of every 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; which are respectively marked ° ' ". (See p. 1, Table A.) Since the... | |
 | David Murray - 1878 - 284 σελίδες
...angle A. For the purpose of expressing this measurement, we conceive the circumference of a circle 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. They are... | |
 | Benjamin Greenleaf - 1879 - 238 σελίδες
...circle is any straight line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. B180" 270" What is a Circle ? The Circumference of a circle ? What is an Arc of a circle ? A Diameter?... | |
 | William Alfred Browne - 1879 - 364 σελίδες
...founded upon a basis furnished by Nature. The Quadrant of the Earthis Meridian- was divided into 9 equal parts called Degrees, and each Degree into 60 equal parts called Minutes. One of these Minutes was the Neapolitan Miglio or Mile. The Thousandth part of the Miglio was the Passo,... | |
 | Popular encyclopedia - 1879 - 530 σελίδες
...pole. The brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called dfgrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds,... | |
 | Rolla Rouse - 1879 - 400 σελίδες
...angle with a circumference, the latter is taken 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 ; a right angle containing 90 degrees, and a semicircle 180 degrees.... | |
 | George Woolworth Colton, Joseph Hutchins Colton - 1880 - 152 σελίδες
...purpose of measurement, every circle is conceived to be divided into 3(30 equal parts called Degrees ; each degree, into 60 equal parts called minutes; and each minute, into GO equal parts called Seconds. Degrees are marked °, minutes ', seconds ''. 5. The great circle which... | |
 | New Sydenham Society, Henry Power, Leonard William Sedgwick - 1882 - 872 σελίδες
...all the right lines that can be drawn from its central point to any part of it equal The periphery of every circle is supposed to be divided into 360 equal parts, called degrees. C., •'«« of. The area of a circle is found by multiplying die square of the diameter by C., cll'lary.... | |
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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 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c. 
