Safe to run and drive?

Lol, the 3-4-5 method of squaring. Any multiple of, 6-8-10, 9-12-15, etc. Short side-long side-diagonal(hypotenuse) = square sides/right triangle. I know You know that one, "C'mon Man!!!", lol...
Nope. I've told yall for years, I'm stupid.

Let's save my stupidness for another thread. I don't want to sidetrack this one any farther.