Use the Law of Cosines to solve each triangle. 1) 𝑎=8,𝑏=5,𝑐=7 6) 2) 𝑎=16,𝑏=14,∠𝐶=120o 3) 𝑎=9,𝑏=40,𝑐=41 4) 𝑎=6,𝑐=7,∠𝐵=100o 5) 𝑏=5,𝑐=9,∠𝐴=115o Find the area of the quadrilateral below to the nearest square unit. A 12 B 10 108o 132o D 10 C 105