1. How many lines of symmetry are there in an equilateral triangle?

2. How many lines of symmetry are there in a square?

3. How many lines of symmetry are there in a rectangle?

4. How many lines of symmetry are there in a regular pentagon?

5. How many lines of symmetry are there in a regular hexagon?

6. How many lines of symmetry are there in an isosceles triangle?

7. How many lines of symmetry are there in a scalene triangle?

8. How many lines of symmetry are there in a rhombus?

9. How many lines of symmetry are there in a parallelogram?

10. How many lines of symmetry are there in a quadrilateral?