Relationship of the sectional lines of the circle, one with another, whereby, any two being given, any other may be found. ... and let pd=Z.5l. ab ap 20 -j- 2 = 10, sine of half the arc, or half the chord of the segment. apa#39; p fP p d 2c a 100 -f- 12.32 3.51 = 32, diameter. ... Radius and height of segment given, to find chord of segment, ca a pd = cp, andca2 a cp1 = *Ja p2 a ap, and ap X 2 = 2 ap = chord, a b.
|Title||:||The Computist's Manual of Facts, and Merchant's and Mechanic's Calculator and Guide|
|Author||:||Ezra S. Winslow|