Unnumbered pageScan 45 of 53
Drawing: triangle; labels: VI, VII, 33, 29.14 1/2, 19.13 1/2, 10.31', 10.51 1/2, 31, 55.50
31 3600-29.14 1/2
55.50
1.49136 9.68886 8.89750 1.74425 9.94179
60° 59' 1/2 / - 515
a119 - 0 1/2 c = a Sin A Sin C
1.80250 9.72116 1.52366 = 33.39
36^2 = 1296 - 10^2 - 100 1196 | 34.58 9 64 / 296 256 685 / 4000 3425 690 / 57500
239.8 1/2
120.4 1/2 29 14 1/2 149.19 30.41
29.14 1/2 119.0 1/2 148.15 31.45 31.45
100.57 1/2 19.13 120.4 1/2 59.55 1/2
Drawing: triangle; labels: a, c, Sin B, Sin A, c, 5c, 122a
Drawing: triangle; labels: 35.37, 72.11, C, 10, B, 31, A
Sin B = Sin A / a . b
180.750 8-19750 33 1.51851 9.71601
30.64 31° 20 29. 14 1/2 60. 34 1/2 119. 25 1/2 Sin = 9.94001 1.80250 1.74251 9.71601 = 31° 20 1.51851 = 33 0
843008 1.51851 9.94859 62° 40 15.37 78.17 101.43
120.4 1/2 29 10 1/2 154.24 1/2 149.19 30.41 108.7 36 36 216 108 1296 1189
Drawing: triangle; labels: a, c, B, 10, a, C, 25.31, 9.24, 15.37, 15° 37', 36, A
33^4 S = 15° 37' x 36 10
Drawing: triangle; labels: A, 9, B, a, 1
8.43008 1.51630 9.98638 = C
Sin = 10 / a = P 14 - 1 1/2
1.51630 - ? 36 9.98638
75.43 1/2 15.37 91.20 1/2 88.39 1/2
9.99988 1.564992 1.56980 37.14
9.99086 9.96678 9.95764
37 33 36
Drawing: triangle; labels: 88 39 1/2, 37.14, 15.37, 10, 91.20 1/2, B, A, 36
Sin 15° 37' . 36 = Sin [circled: B] 10 Sin =
75.43 1/2 C
Drawing: line
84
57.53 19 13 72.6 1/50 107-52 / 36
Drawing: triangle; labels: a, 36, 15.37, 37.14, 10, 91.20 1/2
a = Sin A Sin C = Sin A / a 1- 9.43008 1.56992 9.97866 1.54858 9.99988 1.56980 37.14
Sin A 9.43008 1. 10 8.43008 8.43008 1.55630 36 ) 4.49136 36) 9.98638 35.37 9.92144 8.43008 56.34 1.47857 15.37 4.95151 72.11 9.90865 52.7 1/2 75 43 1/2 = C
15 37 145.18 3 1/2 C
Drawing: triangle; labels: 107.49, 33, 10, 72.11, B, 36, 33 1/2, 37, 15.37, B, A
Sin 15° 37 / 10 . 31 = Sin B
75° 43 1/2 15.37 91.20 1/2 88.39 1/2 107.49 9.99988 9.99866
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain
