The figure below shows 14 shaded squares. Which of the figure shows that, by shading 2 more squares, the dotted line AB is a line of symmetry?

#linesymmetry

The figure is option 1 is correct.

In the diagram below, the letters S and G and digits 5 and 0 are drawn on a square grid. Which of the letters and/or digits have at least one line of symmetry?