Hey guys I really need help with this would appreciate any help!! Find the length of the third side of each triangle.

Answer:
area=999
Step-by-step explanation:
c = 78.77182
∠α = 20.045° = 20°2'43" = 0.34986 rad
∠β = 69.955° = 69°57'17" = 1.22094 rad
h = 25.3644
area=999