Directions : Read the following information and answer the questions :
Kanika walks 2 km towards North and turns to her right and walks 4 km more. She then turns to her right and walks 4 km and turns again to her right and walks another 4 km. Here she meets Renu coming from the opposite directions. They both stop here.
If the starting point is marked 'A' and finishing point is market 'B'. What will be the distance between these points?