What is the high potanuse?

The term "high potanuse" seems to be a misspelling or a misinterpretation of "hypotenuse," which refers to the longest side of a right triangle, opposite the right angle. In the context of the Pythagorean theorem, the hypotenuse can be calculated using the formula (c = \sqrt{a^2 + b^2}), where (c) is the length of the hypotenuse and (a) and (b) are the lengths of the other two sides. If you meant something else, please clarify!