Solve the geometric problem. See Example 3. See the Strategy for Solving Word Problems box...

Solve the geometric problem. See Example 3. See the Strategy for Solving Word Problems box on page 91.

Isosceles triangle. A flag in the shape of an isosceles triangle has a base that is 3.5 inches shorter than either of the equal sides. If the perimeter of the triangle is 49 inches, what is the length of the equal sides?

Figure for Exercise 36