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" The Measure of an angle, is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. "
A Treatise on Mensuration, Both in Theory and Practice - Page 7
by Charles Hutton - 1788 - 703 pages
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A Rudimentary Treatise on Land and Enigineering Surveying with All the ...

Thomas Baker - Railroads - 1850 - 244 pages
...seconds, &c. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 28. The measure of an angle is an arc of any circle, contained between the two lines which form the angle, the angular point being the centre ; and it is estimated by the number of degrees contained...
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...

Oliver Byrne - Engineering - 1852 - 604 pages
...seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. The measure of any angle is an arc of any circle contained between the...which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. Hence, a right angle being...
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Shaw's Civil Architecture: Being a Complete Theoretical and Practical System ...

Edward Shaw - Architecture - 1852 - 426 pages
...angular point, and ab and b с will be the two sides containing that angle. 53. The measure of any right-lined angle is an arc of any circle contained between the two lines which form the angle, the angular point being in the centre, as K. Thus, if the arc b с d be double of the arc...
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The American House Carpenters' and Joiners' Assistant: Being a New and Easy ...

Lucius D. Gould - Carpentry - 1853 - 234 pages
...seconds, etc. A semicircle, therefore, contains 180 degrees, and a quadrant 90 degrees. The measure of an angle is an arc of any circle contained between the...which form that angle, the angular point being the centre, Fig. 12, and is estimated by the number of degrees contained in that arc. ~PROBLEMS PLATE III....
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The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - Artillery drill and tactics - 1854 - 406 pages
...treats of the relations, and calculations of the sides, and angles of plane triangles. The measure of an angle is an arc of any circle contained between the...which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. Hence a right angle being...
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Rudimentary Dictionary of Terms Used in Architecture: Civil, Architecture ...

John Weale - Architecture - 1859 - 622 pages
...perpendicular let fall from an angle or its vertex to the opposite side, called the base. The measure of any right-lined angle is an arc of any circle contained between the two lines which form the angle, the angular point being the centre. A solid is said to be cut by a plane when it is divided...
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The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - Artillery - 1859 - 426 pages
...treats of the relations, and calculations of the sides, and angles of plane triangles. The measure of an angle is an arc of any circle contained between the...which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. Hence a right angle being...
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A Course of Mathematics: Composed for the Use of the Royal Military Academy

Charles Hutton - Mathematics - 1860 - 1014 pages
...so on. Hence a semicircle contains 180 degrees, and • quadrant 90 degrees. 08. The Measure of an angle is an arc of any circle contained between the...lines which form that angle, the angular point being die c< litre ; and it is estimated by llie number of degrees contained in that Ħin-, 59. Lines, or...
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The Modern Mechanic: A Scientific and Calculator, Comprising Rules and ...

William Grier - Mechanical engineering - 1861 - 316 pages
...and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 58. The measure of an angle, is an arc of any circle contained between the...which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc. 59. Lines, or chords,...
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...

Oliver Byrne - Engineering - 1863 - 600 pages
...seconds, and so onHence a semicircle contains 180 degrees, and a quadrant 90 degrees The measure of any angle is an arc of any circle contained between the...which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arcHence, a right angle being...
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