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Βιβλία Βιβλία 131 - 140 από 189 για The circumference of every circle is supposed to be divided into 360 equal parts,....
" The 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, &c. "
The National Arithmetic on the Inductive System: Combining the Analytic and ... - Σελίδα 311
των Benjamin Greenleaf - 1853 - 360 σελίδες
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A practical treatise on ... land and engineering surveying

1863
...arc itself, which is described on the angular point, but by certain lines described about that arc. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes ; each minute into 60 seconds ; and so on. The sine of three angles of...

A Practical Treatise on the Science of Land and Engineering Surveying ...

Henry S. Merrett - 1863 - 317 σελίδες
...arc itself, which is described on the angular point, but by certain lines described about that arc. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 minutes ; each minute into 60 seconds ; and so on. The sine of three angles of...

The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...

Oliver Byrne - 1863 - 588 σελίδες
...TRIGONOMETRY treats of the relations and calculations of the sides and angles of plane trianglesThe circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; also each degree into 60 minutes, each minute into 60 seconds, and so onHence a semicircle contains...

Elements of Plane Trigonometry: And Their Application to the Measurement of ...

1864
...circumference, every point of which is equally distant from a point within, called the centre ; as ABD E. 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...

A Written Arithmetic, for Common and Higher Schools: To which is Adapted a ...

George Augustus Walton - 1864 - 348 σελίδες
...circumference, through the centre, to an opposite point, is called a Diameter. 188. The circumference of any circle is supposed to be divided into 360 equal parts, called Degrees, each degree into 60 Minutes, and each minute into 60 Seconds. TABLE. 60 seconds (") = 1 minute, marked...

A Written Arithmetic, for Common and Higher Schools: To which is Adapted a ...

George Augustus Walton - 1864 - 348 σελίδες
...circumference, through the centre, to an opposite foiat, is called a Diameter. 188. The circumference of any circle is supposed to be divided into 360 equal parts, called Degrees, each degree into 60 Minutes, and each minute into 60 Seconds. TABLE. marked '. u о 60 seconds (")...

Rudimentary treatise on mensuration and measuring

1865
...CE be drawn, the space, bounded by these radii and the arc FE, will be the sector of a circle. 27. The circumference of every circle is supposed to be...degree into 60 minutes, each minute into 60 seconds, &e. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 28. The measure of an angle...

Practical geometry on an entirely new plan

Rolla Rouse - 1867
...quarter of a circle, badb. The circumference of a circle is supposed to be divided into 360 degrees, each degree into 60 minutes, each minute into 60 seconds, and so on, and consequently a semicircle contains 180 degrees, and a quadrant or right angle 90 degrees. Degrees...

A Manual of Civil Engineering

William John Macquorn Rankine - 1867 - 784 σελίδες
...with any radius; that the circumference of that circle is divided into SCO equal arcs called degrees, each degree into 60 minutes, each minute into 60 seconds, and so on : and that the number of such divisions of the circle contained in the arc DE which subtends the angle...

Astronomy Without a Telescope: Being a Guide-book to the Visible Heavens ...

1869 - 104 σελίδες
...formed by straight lines, from stars or points, meeting at the eye of the observer. For this purpose the circle is supposed to be divided into 360 equal parts, called Degrees, and each of these degrees into 60 equal parts called Minutes, and each minute into 00 equal seconds. A quarter...




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