how many lines of reflectional symmetry does an equilateral triangle have

Answer: only 3 lines of symmetry does an equilateral triangle have.Explanation:Since a triangle can have 3 or 1 or no lines of symmetry.In a equilateral triangle:*All sides are equal *All angles are equal i.e each of 60 degree.Symmetry is  when there is an exact replica or reflection of a shape or a line.    Line of symmetry: It is an imaginary line that runs through the center of a line or shape creating two perfectly identical halves.A line of symmetry for a given triangle must go through each vertex as shown in figure;Therefore, the equilateral with 3 sides equal has 3 lines of symmetry.