...— Ascertain the area of the sector having the same arc as the segment, then ascertain the area of a triangle formed by the chord of the segment and the radii of the sector, and take the difference of these areas. RULE 2 (when the segment is greater than a semircicle). —...

...Area = Segment.—Find the area of the sector having the same arc, by rule (23) or (24), and subtract the area of the triangle formed by the chord of the segment and the radii of the sector. If, as often happens, c and r be the only known values, the value of h may be found by rule (5) and...

...semicircle, (i) Find the area of the sector having the same arc ai the segment. (2) Find the area of a triangle formed by the chord of the segment and the radii of the sector. (3) Take the difference of these areas. Rule a. When th« segment is greater than a semicircle. Find,...

...Find the area of the sector having the same arc as the segment. (2) Find the area of a triangle farmed by the chord of the segment and the radii of the sector. (3) Take the difference of these areas. Rule j. When the segment is greater than a semicircle. Find,...

...circle. RULE FIRST. — i. Find the area of the sector having the same arc with the segment. 2. Find the area of the triangle formed by the chord of the segment and the radii of the sector. 3. Then the sum, or difference, of these areas, according as the segment is greater or less than a...

...first necessary to compute the area of the sector having the same arc as the segment and thon ascertain the area of the triangle formed by the chord of the segment and the radii of the sector. The difference between these areas will be the result desired. From this it will be seen that before...