Solve for the missing sides and angles

Angle C measures 45.74 degrees
Angle B measures 90 degrees
Side b has a length of 377 units

Coordinates are always labeled in this general layout:

Side c has a length of 270 units
Side a has a length of 263 units
Angle A measures 44.26 degrees

A is at coordinates (0, 275)
B is at coordinates (0, 5)
C is at coordinates (263, 5