Question

how many lines of reflectional symmetry does an equilateral triangle have?
1
2
3
4

Explanation:

Step1: Understand line of symmetry

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

Step2: Analyze equilateral triangle

An equilateral triangle has three equal sides and three equal angles. Each angle - bisector (or median or altitude) is a line of symmetry.

Answer:

3