Question

Two sides of a triangle measure 7cm and 15cm. Which could be the measure of the third side of the triangle?

Answer 1

if you are liking for the triangle to measure 180° then the answer would be 168. if 60° then the answer would be 38

Answer 2

The third side has to be greater than 15 - 7 (8) and less than 15 + 7 (22).

8 < s < 22