Question 1113778
Angle A = 49 degrees 
 Angle B = 66 degrees
 Angle C = 65 degrees 
 side a = 18
 side b = 22.7883
 side c = 11 
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18/sin(A) = 11/sin(C)
sin(C) = 11*sin(49)/18 =~ 0.46121
C =~ 27.5 degs
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A quick check for answers:  the longest side is opposite the largest angle.