§ 47. 1. r = 6.1394; p = 12° 12′. 2. r = 0.1528;p = 32° 33′. 3. r r = § 48. 1. 305.65; p=309° 8'.0. 2. r = 9658.0; p= 163° 41′.2. 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. = 8.2422 sin (+31° 18'.6). § 53. 1. r 1.83660; B 28° 59′.2; λ= 322° 20′.5. BC= 1793.0 mtr.; Perpendicular = 1685.4 mtr.; PA P1 = 2.65548; PÅ 2.31185; Pc = 1.98504. = §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. β §61. 1. ẞ 64° 26'.9; a 9964.8. 2. 272.26 mtrs.; N. 22° 49′ W. § 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. $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. § 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. = § 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. |