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" 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
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Sequel to The Analytical Reader: In which the Original Design is Extended ...

Samuel Putnam - 1828 - 300 páginas
...greater part are poor and destitute. • ANGLE, a corner, formed usually by the meeting of two lines. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. A semi-circle, of course, contains li!0 degress, and a quadrant, or quarter of a circle, contains SO...
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The Complete Mathematical and General Navigation Tables: Including ..., Volumen1

Thomas Kerigan - 1828 - 664 páginas
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes } each minute into 60 equal parts, called seconds, and so on. The Meridian, of any place on the earth...
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An Introduction to Mensuration and Practical Geometry

John Bonnycastle - 1829 - 252 páginas
...called the hypothenuse; and the other two sides are called legs. PRACTICAL GEOMETRY. 21 D / -E B *47. The circumference of every circle is supposed to be...each degree into 60 equal parts, called minutes; and so on. 48. The measure of any right-lined angle is an arc of a circle contained between the two lines...
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The London Encyclopaedia: Or, Universal Dictionary of Science ..., Volumen10

Thomas Curtis - 1829
...and the oilier two sides are called the LEGS, or sometimes the base and perpendicular. Fig. 10. 40. The circumference of every circle is supposed to be divided into 360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains...
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Elements of Geometry and Trigonometry: With an Easy and Concise System of ...

James Hale - 1829 - 115 páginas
...Supplement of the Arch FA. Fig. 10. 28. The Circumference of every Circle is supposed to be divided into 300 equal parts, called Degrees ; each Degree into 60 equal parts, called Minutes ; and these into Thirds, &,c. 29. The measure of an Angle is the Arch of a Circle contained between two Lines...
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Elements of Geometry: Being Chiefly a Selection from Playfair's Geometry

John Playfair - 1829 - 186 páginas
...Mathematicians suppose the circumference of every circle to be divided into 360 equal parts, called degrees, and each degree into 60 equal parts, called minutes, and each minute into £0 equal parts, called seconds, &c. Hence a right angle, being measured by a quadrant contains 90...
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Harper's School Geography: With Maps and Illustrations

1885 - 136 páginas
...Every circle is divided into 360 equal parts called degrees ; each degree is divided И" m' ... into GO equal parts called minutes; and each minute into 60 equal parts called seconds. The smaller the circle, the short- 18g er are the degrees. Degrees DECREES OF THE CIRCLE. are marked...
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Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - 1886 - 324 páginas
...Definitions. 28 The circumference of a circle is used for the measure. ment of angles. For this purpose it is divided into 360 equal parts called degrees, each...parts called minutes, and each minute into 60 equal pans called second s. The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are...
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The Field Engineer: a Handy Book of Practice in the Survey, Location, and ...

William Findlay Shunk - 1886 - 325 páginas
...inclndes one-quarter of the circle, and is the measure of a right angle. Each degree is further divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, 1, ": thus the expression 7° 221 33"...
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A Grammar Shcool Arithmetic

George Albert Wentworth - 1886 - 372 páginas
...about a point in a plane is divided into 360 equal parts, called degrees. Each degree is subdivided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. Likewise the circumference of a circle is divided into 3GO equal arcs, each corresponding to an angle...
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