Warm-up: Solve the triangle. mA = 70, c = 26, a = 25 CW: The Law of Sines
HW Answers: pg.518 – 519 (1 – 8, 13 – 14, 17 – 22) 1) C = 105, b 28.28, c 38.64 2) A = 15, a 4.48, b 12.25 3) C = 110, b 37.40, c 40.59 4) A = 35, a 36.50, b 11.05 5) B 21.55, C 122.45, c 11.49 6) C 74.21, B 45.79, b 7.45 or C 105.79, B 14.21, b 2.55 7) B = 10, b 69.46, c 136.81 8) B = 101.1, a 1.35, b 3.23 13) A 25.57, B 9.43, a 10.5 14) C 4.52, B 75.48, b 122.87 17) No solution 18) B 72.2, C 49.8, c 10.27 or B 107.8, C 14.2, c 3.30 19) B 70.4, C 51.6, c 4.16 or B 109.6, C 12.4, c 1.14 20) No solution 21) No solution 22) B 48.74, C 21.26, c 48.23
Sneedlegrit: Solve the triangle. mB = 84, a = 18, b = 9 CW: The Law of Sines