With the aid of figures, show which transformation would be used to transform measured fiducials into calibrated fidicials for the following situations when the measured fiducials formed the following figures when connected with straight lines around their boundary:
a) a square of side length 2 units.
b) a square of side length 1 unit.
c) a parallelogram with each side of length 3 units.
d) a parallelogram with opposite sides equal to 2 and 3 units, respectively.