§ 47. 1. r = 6.1394; p = 12° 12′. 2. r = 0.1528;p = 32° 33′.
194860; p= 87° 30′.7.

3. r

r =

§ 48. 1. 305.65; p=309° 8'.0. 2. r = 9658.0; p= 163° 41′.2.
1.9658; p=267°11'.1.4. r 396.74; q=359° 28′.0.
18.2054;p=261° 29'.3.

3. r

5. r

7. r

266.49; u 871.82; 0151° 38'.85; x 98° 0'.85.

8. r = 221.43; 0 = 62° 51'.5.

§ 50. 4. r = 3.809; p= 334° 12′.2.

§ 51. 1. 36.071 sin (u+130° 2′.7). 2.
3. 105.79 sin (0 +213°14'.4). 4.

=

8.2422 sin (+31° 18'.6).
0.9399 sin (+ 29° 15′.3).

§ 53. 1. r 1.83660; B 28° 59′.2; λ= 322° 20′.5.
2. r = 24.2770; ß = 60° 2′.4; λ = 109° 59′.8.

BC= 1793.0 mtr.; Perpendicular = 1685.4 mtr.;
5. A = 46° 40′; B = 56° 40′; b = 2.72904 mtr.;

PA

P1 = 2.65548; PÅ 2.31185; Pc = 1.98504.
6. Side 234.24; Altit. = 224.66.

=

§59. 1. a=36°52′.2; B = 53°7'.8. 2. a

63°9′.4; B = 45°8′.6.

3. α = 6° 0'; B = 63°28'. 4. a=113°1'.2; B=66°58′.8.
a

β

§61. 1. ẞ 64° 26'.9; a 9964.8. 2. 272.26 mtrs.; N. 22° 49′ W.
3. 37.00 and 20.81; 18° 55'.5; 34° 12′.3; 35° 13′.1; 91° 39′.1.

§ 62. 1. a = 133° 36′.2; c = 52; Area = 546 mtrs.

6. 125° 18'.3; 67° 0'.1; 78° 25′.0; 89° 16′.6; Area 451.08.

§72. 1. S. 29° 28′ E.; N. 29° 28′ W.; Dist. = 311.4 mtrs.
2. 413.8 mtrs.; N. 37° 51'.0 E.

$74. 1. 55° 40'.4; 54.62; Area 29056.1 mtrs.

4. b = 6° 53′.5 or 173° 6'.5; c = 32° 11'.9 or 147° 48'.1.
5. a 49° 15'.6; b= 76° 50′.5; c=81° 27'.3.

§ 113. 1. A = 35° 29′.6; c = 77° 45′.9; b = 75° 5′.2.

2. a =39°9′.5; B = 64°8′.0. 3. c=118°27′.6; A=101°26′.0.
4. a 100°6′.2; B=52°33′.8. 5. A=44°4'.3; b=172°11′.8.

=

§ 116. 1. Base = 62° 50′.7; Angles = 52° 20'.6.

2. Sides = 57° 3′.5; Angle

= 122° 55'.6.

§ 139. 1. 3998.9; 4957.1; 31146; 4831.1.

3. 6195.4 and 6026.6.

2. 12222.0.
4. 9335.1; 4957.1; 5043.0.