Answer:
1.584
Step-by-step explanation:
Answer:
Can you show a picture? Or like tell us the options?
It could be:
2/4
4/8
8/16
3/6
5/10
6/12
The formula of a distance between two points A and B is :

You should this formula by heart.
Then, you just have to apply it ! :D
Here :




Therefore :




In short, the answer would be the first option :

.
Hope this helps !
Photon