Pythagorean Theorum since that is what you are trying to prove.
Answer:
A seven digit number
Step-by-step explanation:
A password made up of digits is less likely to relate to your life (harder to guess) than a five letter word.
I think the answer is stage left because if you flip your view point, you'll get stage left.
Hopefully that helped! :)
The answer is 37/100 as a fraction. Hope this helps you.