Q History 101 chapt... Solve the triangle. a = 60, b = 9, Y = 120 O c = 67.87, a = 55.10, B = 4.90 O c = 70.77, a = 51.10, B = 8.90 no triangle O c = 64.97, a = 53.10, B = 6.90 D Question 9 Solve the triangle. Find the angles a and B first. 7 5 B S O a = 60 , B = 38.20, 1 = 81.80 O a = 38.20 , B = 60, Y = 81.80 O a = 38.20 , B = 81.80, y = 60 O a = 60 , B = 81.80 , Y = 38.20 MacBook Pro