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" ... 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 example, ten degrees, eighteen minutes, and... "
The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... - Page 60
by Benjamin Donne - 1775 - 159 pages
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A NEW SYSTEM OF ARITHMETIC

CHARLES G. BURNHAM - 1857
...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, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 15....
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A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857
...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, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 15....
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The Common-school Arithmetic: a Practical Treatise on the Science of Numbers

Dana Pond Colburn - 1858 - 276 pages
...circle, 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 of the...
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The Common-school Arithmetic: A Practical Treatise on the Science of Numbers

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 of the circle....
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Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - 1860
...be 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...
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A Manual of the Protracting Trigonometer: With Its Application to ...

Josiah Lyman - Electronic book - 1862 - 77 pages
...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 angle ; and the...
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Elements of Plane Trigonometry: And Their Application to the Measurement of ...

William Frothingham Bradbury - Plane trigonometry - 1864
...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 ( "). 34. The RADIUS of a circle is a line drawn from the centre to the circumference ; as C B. All...
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Elements of Geometry and Trigonometry

C. Davies - 1867
...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 equal parts, called secondsTRIGONOMETRY Definitionsby the characters ' "- For example, ten degrees, eighteen minutes,...
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Smith's Illustrated Astronomy: Designed for the Use of the Public Or Common ...

Asa Smith - 1868 - 79 pages
...circumference of every circle в supposed to be divided into and equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Circumpolar Start.— Those stars which revolve around the pole without passing below the horizon....
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A TREATISE ON LAND-SURVEYING: COMPRISING THE THEORY DEVELOPED FROM THE ...

W.M. GILLESPIE, L.L. D., CIV. ENG. - 1868
...Every circumference is regarded as being divided into 860 equal parts, called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 seconds. These divisions are indicated by the marks ' ". Thus 28 degrees, 17 minutes, and 49 seconds,...
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