We are stuck on this problem.
1 answer:
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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
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