Question

how many lines of symmetry does each triangle have? no lines of symmetry 1 line of symmetry 3 lines of symmetry

Explanation:

Step1: Recall the definition of line of symmetry

A line of symmetry is a line that divides a figure into two congruent parts.

Step2: Analyze the triangle

The given triangle is an isosceles triangle. For an isosceles triangle, there is 1 line of symmetry which is the perpendicular bisector of the base (or the line that passes through the vertex angle and the mid - point of the base).

Answer:

1 line of symmetry