Question

1. which of the following figures does not have reflectional symmetry?

Explanation:

A regular pentagon has 5 lines of reflectional symmetry. A rectangle has 2 lines of reflectional symmetry. The arrow - shaped figure has 1 line of reflectional symmetry. A non - isosceles, non - equilateral triangle (the last figure) has no lines of reflectional symmetry.

Answer:

The figure that does not have reflectional symmetry is the triangle (the fourth figure).