 | Charles Hutton - 1788 - 728 Seiten
...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... | |
 | 1801 - 446 Seiten
...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... | |
 | Samuel Webber - 1808 - 466 Seiten
...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...degrees, contained in that arc. Hence a right angle is an angle of 90 degrees. 58. Identical figures are such, as have all the sides and all the angles... | |
 | Peter Nicholson - 1809 - 426 Seiten
...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... | |
 | Charles Hutton - 1811 - 442 Seiten
...seinicircle contains 1 80 degrees, and a quadrant 90 degrees. 3. Th'e Measure of an angle (Def. 57, Geom.) is an arc of any circle contained between the two...of the circle, is an angle of 90 degrees ; and the stim of the three angles of every triangle, or two right angles, is equal to 180 degrees. Therefore,... | |
 | Charles Hutton - 1811 - 406 Seiten
...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.... | |
 | Encyclopaedia Perthensis - 1816 - 772 Seiten
...Hence a femicircle contains 180 degres, and a quadrant 90 degrees. 41. The MEASURE of a RECTILINEAL ANGLE is an arc of any circle contained between the...angle, the angular point being the centre, and it is eftimated by the number of degrees in that arc. Fig. 15. 4t. IDENTICAL FIGURES are fuch as liavc all... | |
 | 1816 - 764 Seiten
...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...angle, the angular point being the centre, and it is eftimated by the number of degrees in that arc. Fig. 25. 42. IDENTICAL FIGURES are fuch as have all... | |
 | Charles Hutton - 1816 - 610 Seiten
...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... | |
 | Charles Hutton - 1818 - 646 Seiten
...semicircle contains 1 80 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...of the circle, is an angle of 90 degrees ; and the •urn of the three angles of every triangle, or two right Angles, is equal to 180 degrees. Therefore,... | |
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The measure of any 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. 
