Hypotenuse [BH6] (on hiatus)

[Tadashi Hamada and Gogo Tomago]

When Tadashi Hamada’s brother handed him a binder filled with petty algebraic questions on a busy Monday morning, he never imagined himself to be situated behind his desk after office hours, trying to remember the simple equation that provided him the missing measurement.

At five-thirty-five in the morning, when his tired eyes skimmed on the photo that sat glumly on the stacks of blueprints, he was slapped with the realization that he just might not solve the last pestering equation.

He had the right angle, the two exact measurements for the other legs, but what was he missing in order to complete his little triangle?