**Determine whether each statement is true or false. If it is false, provide a counterexample.**

**1.**If a quadrilateral is equilateral, then it is equiangular.

**2. **If a quadrilateral is equiangular, then it is equilateral.

**3.** Every isosceles triangle has at least one line of symmetry.

**4.** Every equilateral triangle has exactly three lines of symmetry.

**5.** If two angles are not congruent, then the two angles are not right.