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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 Minutes, each minute into 60 Seconds, and so on. "
The Theory and Practice of Surveying: Containing All the Instructions ... - Σελίδα 39
των Robert Gibson - 1814 - 508 σελίδες
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The Scientific and Literary Treasury: A New and Popular Encyclopedia of the ...

Samuel Maunder - 1853 - 844 σελίδες
...right auricle B round to trace out the circumference. The by the closing of the valves, which are siH circumference of every circle is supposed to be divided into 360 equal parts, called degrees and marked " ; and each degree into 60 mituated for that purpose. Having undergone this change in the lungs,...

The American House Carpenters' and Joiners' Assistant: Being a New and Easy ...

Lucius D. Gould - 1853 - 136 σελίδες
...the middle; thus, the angle contained by the line AC and EC, is called the angle ACE, or EGA. Fig. 9. The circumference of every circle is supposed to be...divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc. A semicircle, therefore, contains...

The scientific and literary treasury

Samuel Maunder - 1853
...compasses, fixing one foot in the centre and turning the other round to trace out the circumference. The circumference of every circle is supposed to be divided into 360 equal parts, callrd degrees and marked ° ; and each degree into (ill minutes, marked'. The word Circle is also...

Rudiment: Treatise on Arithmetic, with Key, Τόμος 2

J. R. Young - 1854
...„ 1 gallon. 2 gallons „ 1 peck. 4 pecks „ 1 bushel. DIVISION OF THE CIRCUMFERENCE OF A CIRCLE. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; these, of course, are longer or shorter, according as the circle is greater or less. Each degree is...

The Measure of the Circle: Perfected in January, 1845

John Davis - 1854 - 156 σελίδες
...and its two radii perpendicular to each other. 38. The circumference of every circle, in geometry, is supposed to be divided into 360 equal parts, called degrees, and each degree subdivided into 60 minutes, and each minute into 60 seconds, and so on. Hence a semicircle contains...

A System of Natural Philosophy, in which are Explained the Principles of ...

John Lee Comstock - 1854
...the star A. 132. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into 60 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having...

A Manual of Astronomy and the Use of the Globes ...

Henry Kiddle - 1854
...is any part of the circumference. A tangent is a line which touches the circumference in one point. The circumference of every circle is supposed to be divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. A semicircle is one half of...

A Treatise on a Vox of Instruments and the Slide-rule: For the Use of ...

Thomas Kentish - 1854
...these problems repeated at the end of the Uses of the Slide Rule. TRIGONOMETRY. THE circumference of a circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes; each minute into 60 seconds ; and so on. Degrees are marked...

Elements of Surveying, and Navigation: With Descriptions of the Instruments ...

Charles Davies - 1854 - 322 σελίδες
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of 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...

The Measure of the Circle: Perfected in January, 1845

John Davis (of Providence, R.I.) - 1854 - 156 σελίδες
...perpendicular to each other. 38. The circumference of every circle, in geometry, is sup- •. posed to be divided into 360 equal parts, called degrees, and each degree subdivided into 60 minutes, and each minute into 60 seconds, and so on. Hence a semicircle contains...




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