Answer:
5
Explanation:
I se you labeled the points, the distance between them can be found by adding the distances from 0:
5/2 + 5/2
Since they have the same denominator we can just add the numerators:
5 + 5 = 10
So 10/2, which can be simplified into 5 since 10 goes into 2, 5 times.
Hope this helps!! :)