Question

If 5 and 6 are the lengths of two sides of a triangular region, which of the following can be the length of the third side? 13 10 12 11

Answer 1

Well it can be ANY one of the given choices but if the triangular region is right angled then it wud be 11 cm by Pythagoras theorem.

Answer 2

if the triangular region is right angled then it will be 11 cm