Step-by-step explanation:

- Perpendicular=P=4
- Base=B=4
Hypotenuse be H
Apply Pythagorean theorem





Answer:
length of segment AB is 13
OR
AB = 13
Step-by-step explanation:
Use the Pythagorean Theorem with c being the length of segment AB.
a^2 + b^2 = c^2
5^2 + 12^2 = c^2
169 = c ^2 (square root both sides to get c by itself)
13 = c
I think the answer might me 34