Question 976072
You know the law of cosines? 

{{{C^2 = A^2+B^2-2AB Cos C}}}

I know the angle opposite the smallest side is the smallest angle. 28.

{{{28^2 = 34^2+47^2-2(34)(47) Cos C}}}


{{{784 = 1156+2209-3196 Cos C}}}

And so - 

{{{-2581 = -3196 Cos C}}}


{{{Cos C = -2581/-3196}}}


{{{Cos C = .80757}}}


C = 36.14 degrees