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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.
Encyclopaedia Perthensis; or, Universal dictionary of Knowledge. [With] Supp - Sida 349
efter Encyclopaedia Perthensis - 1816
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A Treatise on Mensuration, Both in Theory and Practice

Charles Hutton - 1788 - 703 sidor
...Hence a femicircle contains 1 80 degrees, and a quadrant 90 degrees. 57. The meafureofa right-lined angle, is. an arc of any circle contained between...which form that angle, the angular point being the center; and it is eftimated by the number of degrees contained '' ' in that arc. Hence a right-angle...
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Mathematics: Compiled from the Best Authors and Intended to be the ..., Volym 1

1801 - 426 sidor
...Hence a semicircle contains 1 80 degrees, and a quadrant 90 degrees. / 57. The measure of a rightlined angle is an arc of any circle, contained between the...which form that angle, the angular point being the <?entrc ; and it is estimated by the nuaii bcr of degrees, contained in that arc. Hence a, right angle...
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A Course of Mathematics in Two Volumes for the Use of Academies as Well as ...

Charles Hutton - 1807
...semicircle contains 180 degrees, and a quadrant 90 degrees. 3. The Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two...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 measured by...
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Mathematics, Volym 1

Samuel Webber - 1808
...Hence a semicircle contains 1 80 degrees, and a quadrant 90 degrees, 57. The measure of a rightlined angle is an arc of any circle, contained between the...angle, the angular point being the centre ; and it is estimated by the number of degrees, contained in that arc. Hence a right angle is an angle of 90 degrees....
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The principles of architecture, Volym 1

Peter Nicholson - 1809
...point, and ab, and bc, 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 bed be double of the arc...
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A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - 1811
...semicircle contains 1 80 degrees, and a quadrant 90 degrees. 3. The Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two...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 measured by a...
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811
...and so on. Hence a semicircle contains 1 80 degrees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained between the two lines which form that angle, the an gi ilar point being the centre; and it is estimated by the number of degrees contained in that arc....
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Encyclopaedia Perthensis; Or Universal Dictionary of the Arts ..., Volym 10

1816
...a femicircle contains 180 degres, and a quadrant 90 degrees. 41. fhf MEASURE of a RECTILINEAL ANGLS is an arc of any circle contained between the two...eftimated by the number of degrees in that arc. Fig. 25. 42. IDENTICAL FIGURES are fuch as have all the fides and all the angles of the one, refpecrively...
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A Course of Mathematics: In Two Volumes : for the Use of Academies ..., Volym 1

Charles Hutton - 1816
...simicirclo contains 130 degrees, and aquadi-ant 90 degrees. 3 The measure of an angle (Di-f. 58, Geom.) is an arc of any circle contained between the two...angle, the angular point being the centre ; and it ia estimated by the numiier of degrees contained In that arc. Hence, a right angle, being measured...
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - 1822
...semicircle contains 100 degrees, and a quadrant 90 degrees. 3. The measure of an angle (Def. 58, Geom.) is an arc of any circle contained between the two...angle, the angular point being the centre ; and it is estimated by the number of degrees continued in that arc. Hence, a right angle, being measured by a...
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