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Βιβλία Βιβλία 81 - 90 από 190 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 System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - 1835 - 334 σελίδες
...centre ; and it divides the circle into two equal parts, called semicircles ; as AB or DE. Fig. 5. 14. The circumference of every circle is supposed to be...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...

A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - 1835 - 334 σελίδες
...Tivides the circle into two equal parts, calle. .emicircles ; as AB or DE. Fig. 5. 14. The , jmference of every circle is supposed to be divided into 360...equal parts, called degrees ; and each degree into 60 equal parts, called minute*; and each minute into 60 equal parts, called seconds; and these into thirds,...

The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 σελίδες
...and BC, in A and C ; the arch AC is called the measure of the angle ABC. II. The circumference of a 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, &c. A degree is marked...

A New System of Practical Astronomy: Made Plain and Easy to Those who Have ...

Thomas Spofford - 1835 - 72 σελίδες
...every part of the circumference ia equally distant from a point within the circle, called the centre. The circumference of every circle is supposed to be 'divided into 360 equal parts called degrees ; each degree into 60 equal parls called minutes, and each minute into 60 equal parts called seconds....

Encyclopædia Americana: A Popular Dictionary of Arts, Sciences ..., Τόμος 5

Francis Lieber, Edward Wigglesworth - 1835
...poles. The brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called degrees, each degree into CO equal ports, called minutes, each minute into 60 equal parts, called seconds, Sic....

The Engineer's and Mechanic's Encyclopædia: Comprehending ..., Τόμος 1

Luke Hebert - 1835
...between two radii and an arc, as oc 6, Fig. T. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees ; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination...

The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - 1836 - 344 σελίδες
...the two sides, 1! A *' that which stands at the angular point is rend in the middle. Thus DAE. 57. The circumference of every circle is supposed to be...60 seconds, and so on. Hence a semicircle contains I8O degrees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained...

The Element of Geometry

John Playfair - 1836 - 114 σελίδες
...C ; the arc AC may be called the measure of the angle ABC, II. The circumference of a circle may be 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, &c. And as many degrees,...

The engineer's and mechanic's encyclopædia, Τόμος 1

Luke Hebert - 1836
...two radii and an arc, as a с b, Fig. T. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination...

The Encyclopædia of Geography: Comprising a Complete Description ..., Τόμος 1

Hugh Murray - 1837
...sphere, 7916 miles in diameter, and consequently nearly 24,870 miles in circumference. In geometry, the circumference of every circle is supposed to be...divided into 360 equal parts, called degrees ; and each of these into 60 equal parts, called minutes, and so on. A degree, therefore, of any circle on the...




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