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?
A metal rod bent into an isosceles triangle shape. The base side is labeled x inches. The other two sides are both labeled x minus 1 inches.
A metal rod bent into an isosceles triangle shape. The base side is labeled x inches. The other two sides are both labeled x minus 1 inches.