Answer:
13 units
Step-by-step explanation:
So the length of those 2 points is 6+6 = 12.
The height would be 8-3 =5
Using pythagoras, you can find out the length of the line joining the 2 points so:
[tex]5^2 + 12^2 = 169[/tex]
[tex]\sqrt{169} = 13[/tex] units