Relationship of the sectional lines of the circle, one with another, whereby, any two being given, any other may be found. ... let p d=3.51. ab ap 20 -T- 2 = 10, sine of half the arc, or half the chord of the segment. a pa p d* p d 2 c a 100 -f- 12.32 -f- 3.51 = 32, diameter. ... Radius and height of segment given, to find chord of segment- ca a p d = c/agt;, andc a* a cp* = */a p* = ap, and a p X 2 = 2 ap = chord, a b.
|Title||:||The Computist's Manual of Facts|
|Author||:||Ezra S. Winslow|