| Charles Guilford Burnham - 1857
...equal parts called semicircles. 14. The circumference of every circle is supposed to be divided into **360 equal parts, called degrees ; and each degree...minutes ; and each minute into 60 equal parts, called** seconds ; and these into thirds, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees.... | |
| CHARLES G. BURNHAM - 1857
...equal parts called semicircles. 14. The circumference of every circle is supposed to be divided into **360 equal parts, called degrees ; and each degree...minutes ; and each minute into 60 equal parts, called** seconds ; and these into thirds, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees.... | |
| Charles Davies, William Guy Peck - Handbooks, vade-mecums, etc - 1857 - 592 pages
...somewhat longer than the sidereal. Each day is divided into 24 equal parts, called hours ; each hour **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called** seconds ; and, according to the kind of day which is thus subdivided, we have mean solar, or sidereal... | |
| Adrien Marie Legendre, Charles Davies - Geometry - 1857 - 432 pages
...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 equal parts, called** seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For... | |
| Dana Pond Colburn - 1858 - 276 pages
...whether large or small, is supposed to contain 360 equal parts, called DEGKEES ; each degree is divided **into 60 equal parts, called MINUTES ; and each minute into 60 equal parts, called** SECONDS. NOTE. — Tho length of a degree, as well as that of its subdivisions, varies with the size... | |
| Charles Guilford Burnham - 1859
...parts called semicircles. 14. The circumference of every circle is supposed to be divided into 860 **equal parts, called degrees ; and each degree into...minutes ; and each minute into 60 equal parts, called** seconds ; and these into thirds, eta Hence a semicircle contains 180 degrees, and a quadrant 90 degrees.... | |
| Anthony Nesbit - Measurement - 1859 - 450 pages
...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** GO equal parts, called seconds. 48. The arc of a quadrant contains 90 degrees, which is the measure... | |
| Dana Pond Colburn - Arithmetic - 1859 - 270 pages
...large or small, is suppose^ to contain 360 equal parts, called DEGREES ; each degree is divided into G0 **equal parts, called MINUTES; and each minute into 60 equal parts, called** SECONDS. NOTE.—Tho length of a degree, as well as that of its subdivision?, varies with the size... | |
| Dana Pond Colburn - 1860
...l.irge or small, is supposed to be divided into 3t10 equal p:\rts called degrees. Each degree is divided **into 60 equal parts, called minutes, and each minute into 60 equal parts, called** ccconds. (g.) A degree is to be regarded simply as the S60th part of the circumference of the circle... | |
| Josiah Lyman - Electronic book - 1862 - 77 pages
...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, &c. 9. The Measure of an angle is the arc intercepted between the two lines that form the... | |
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