What is almost always the last step when solving a problem using the pythagorean theorem?

  It depends on the problem

Step-by-step explanation:

Often, you want one or another of the lengths in the right triangle. The Pythagorean theorem gives a relation between the squares of those lengths, so you take the square root as a last step. The last step may be to simplify that square root.

what is the question here

step-by-step explanation:

my answer is$ 12

step-by-step explanation:

because 15 -2=12