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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.