Geometry by Mazin Kalil
We have choosen 3 points : a, b and c. [ab] is equal 10. [bc] is equal 6. In all situations that a, b and c can have, we can say 1_[ac] is equal 16. 2_[ac] is less than 16. 3_[ac] is higher than 16. 4_c is nearer to be than a. 5_none of them.