What is the distance covered to travel from 'a' to 'c'? ( 'd' is the midpoint of ab)
7.79km
To find the distance between a to c, we add the distance between a to d + d to c.
Distance between a to d = Distance between a to b2
Distance between a to d = 10.322
=5.16
5 . 16 + 2 . 63––––––––– 7. 79––––––