Answer:
Explanation:
1). By applying cosine rule in the given triangle,
cos(x°) =

cos(x°) =

x =

x = 41.41°
2). By applying cosine rule in the given triangle,
cos(x°) =

cos(x°) =

x =

x = 36.87°
3). By applying cosine rule in the given triangle,
cos(x°) =

cos(x°) =

x =

x = 53.13°