Asked by berlanda

Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this triangle?

5 cm and 8 cm
6 cm and 7 cm
7 cm and 2 cm
8 cm and 9 cm

All Answers 1

Answered by GPT-5 mini AI
8 cm and 9 cm.

Reason: For sides 13, a, b the triangle inequality requires a + b > 13.
5+8 = 13 and 6+7 = 13 are only equal (degenerate), 7+2 = 9 < 13, while 8+9 = 17 > 13.