| Charles Davies - Surveying - 1871 - 448 pages
...the quadrant is divided into 90 equal parts, each of which is called a degree; each degree into 00 **equal parts, called minutes; and each minute into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",... | |
| Adrien Marie Legendre - Geometry - 1871 - 490 pages
...quadrant is divided into 90 equal parts, each of which is called a degree / each degree into 60 equaF **parts, called minutes; and each minute' into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",... | |
| William Frothingham Bradbury - Geometry - 1872 - 268 pages
...of methods of computing plane angles and triangles. 17. The circumference of every circle is dividad **into 360 equal parts, called degrees ( ° ), each...and each minute into 60 equal parts, called seconds** ( " ). 18. As angles at the centre valy as their arcs, or arcs as their corresponding angles, the measure... | |
| André Darré - 1872 - 226 pages
...circumference of every circle is supposed to be divided are called degrees ; each degree is divided **into 60 equal parts called minutes ; and each minute into 60 equal parts called seconds.** Symbols are used to express degrees, minutes, and seconds. Thus 57° 17' 45" means 57 degrees, 17 minutes,... | |
| Charles Davies - Geometry - 1872 - 464 pages
...the quadrant is divided into 90 equal parts, each of which is called a degree / each degree into 80 **equal parts, called minutes ; and each minute into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7 a 22' 33",... | |
| Hiram Mattison - 1872 - 264 pages
...sometimes called radiations or itldianr-6. All circles, whether great or small, are supposed to be **divided into 360 equal parts, called degrees / each degree into 60 equal** paits, called minutes; and each minute into 60 equal parts, called seconds. They are marked respectively... | |
| William Frothingham Bradbury - Geometry - 1873 - 288 pages
...Trigonometry treats of methods of computing plane angles and triangles. П, The circumference of every **circle is divided into 360 equal parts, called degrees...and each minute into 60 equal parts, called seconds** ( " ). I8« As angles at the centre vary as their arcs, or arcs as their corresponding angles, the... | |
| Adrien Marie Legendre - Geometry - 1874 - 500 pages
...angle. For convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; **each degree into 60 equal parts, called • minutes...and each minute into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",... | |
| Sir Norman Lockyer - Astronomy - 1874 - 332 pages
...circle may be divided into 360 equal parts, called Degrees (marked °). Each degree may be divided **into 60 equal parts, called Minutes (') ; and each minute into 60 equal parts, called Seconds** ("). A circumference may also be divided into 12 equal parts, of 30 degrees each. These are called... | |
| Ellen Eliza Fitz - Globes - 1876 - 138 pages
...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 by the sides of an... | |
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