If the lengths of two sides of a triangle are 3 and 5, then the length of the third side cannot be: a. 3 b. 9 c. 6 d. 4 if the lengths of two sides of a triangle are 2 and 6, then the length of the third side cannot be: a. 5 b. 6 c. 7 d. 4 if the lengths of two sides of a triangle are 5 and 9, which could be the length of the third side? a. 2 b. 4 c. 7 d.14 if the lengths of two sides of a triangle measure 8 and 13, the length of the third side could measure: a. 6 b. 21 c. 3 d. 4