An instrument maker creates a triangle in the shape of an isosceles triangle by bending a metal rod. The rod is 13 inches long, and the bottom of the triangle is longer than the two sides. What is the length of the longest side?
sides A and B: x-1 in x-1 in
(hypotenous) Side C: x in
The length of the longest side is ____inches. The other two sides will each be____ inches in length. ​