Solve for the missing sides and angles

Side a has a length of 173 units
Side c has a length of 250 units
Angle C measures 63.63 degrees

Coordinates are always labeled in this general layout:

Angle A measures 38.31 degrees
Side b has a length of 273 units
Angle B measures 78.06 degrees

A is at coordinates (52, 275)
B is at coordinates (0, 30)
C is at coordinates (173, 30