 | Caleb Ashworth - Mathematical instruments - 1766 - 214 pages
...the arc AHI, and of А В 1C F I. DE F. III. The RIGHT -SINE, or (as it is commonly called) the SINE, of an arc or angle is a right line drawn from one end of the arc, perpendicular to a radius drawn thro' its other end : Or, it is half the chord of an arc which... | |
 | Alexander Ewing - Logarithms - 1779 - 476 pages
...diameter, belongs to two arcs, the one lefs, and the other greater than a femicircle. 1 2. The fine of an arc or angle, is a right line drawn from one end of the arc, perpendicular to the radius drawn to the other end of it -, or, it is half the chord of double... | |
 | George Watson - Navigation - 1822 - 72 pages
...wants of a semicircle, and is known by subtracting the arc or angle from 180 degrees. 170. The SINE of an arc or angle is a right line drawn from one extremity of the arc, perpendicularly upon the radius, or diameter which is drawn to the other extremity... | |
 | Louis-Benjamin Francœur, William Bentley Fowle - Arithmetic - 1825 - 86 pages
...its circumference. Thus in figure 3, that part of the circumference between (4) A and B is an arc and a right line drawn from one end of an arc to the other is called a cord. In fig. 3, the cord is represented by the dotted line. The monitor will mark... | |
 | Abel Flint - Surveying - 1830 - 322 pages
...to be an arc of as many degrees as it contains 360th parts of the whole circle. Fig. 6. 16. A chord is a right line drawn from one end of an arc to the other, and is the measure of the arc ; as HG is the chord of the arc HIG. Fig. 6. A NOTE. The chord... | |
 | Abel Flint - Geometry - 1833 - 368 pages
...is said to be an arc of as many degrces as it contains 360th parts of the whole circle. 16. A chord is a right line drawn from one end of an arc to an other, and is the measure of the arc ; as HG is the chord of the arc H1G. Fig. 6. A NOTE. The chord... | |
 | Abel Flint - Geometry - 1835 - 366 pages
...of the circumference of any circle, without regarding the pize of the circle. GEOMETRY. 16. A chord is a right line drawn from one end of an arc to an other, and is the measure of the arc ; as HG is the cord of A the arc HIG. Fig. 6. NOTE. The chord... | |
 | Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...degrees, and a quadrant 90 degrees. 15. An arc of a circle is any part of the circumference. 10. A chord is a right line drawn from one end of an arc to another, and is the measure of the arc. The chord of an arc of 60 degrees is equal in length to the... | |
 | William Bentley Fowle - Arithmetic - 1849 - 108 pages
...its circumference. Thus, in figure 3, that part of the circumference between A and B is an arc, and a right line drawn from one end of an arc to the other is called a chord. In fig. 3, the chord is represented by the dotted line The monitor will mark... | |
 | Charles Guilford Burnham - 1850 - 350 pages
...quadrant 90 degrees. 15. An arc of a circle (BCD) is any part of the circumference. 16. A chord (BD) is a right line drawn from one end of an arc to another, and is the measure of the arc. The chord of an arc of 60 degrees is equal in length to the... | |
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A chord (BD) is a right line drawn from one end of an arc to another, and is the measure of the arc. The chord of an arc of 60 degrees is equal in length to the radius of the circle of which the arc is a part. 17. The segment of a circle is a part of... 