Which of the option figures is the exact mirror image of the given figure when the mirror is held at the right side?

When a mirror is placed on the right side of the figure,

The facing of the figure to the left and right direction changes to the opposite direction in the mirror image(left facing changes to right and vice versa). There won't be change in top and bottom direction.

The black part in the triangle which is on the left will be on the right in the mirror image.

The black part in the circle which is on the right will be on the left in the mirror image.

The lines in the square which is on the left will be on the right in the mirror image.

$$\therefore\ $$The mirror image of the given figure is

Hence, the correct answer is Option A