15points+brainliest!! please help i need help asap! :(

Answer:
13
Step-by-step explanation:
Make that line into a right angle triangle. Then you will get the dimensions 5 units and 12 units.
Use Pythagoras: 5^2 + 12^2 = 13^2
Answer:
13
Step-by-step explanation:
I am very sure this is 13, because you can use the pythagorean theorem, and plug it in, then u get 13.