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Now, look at the following figures:

Mirror line Mirror line
Here we consider the dotted line to be a mirror and each part is a mirror image of the other. Thus
the mirror line acts as a line of symmetry and the object along with its image forms a symmetrical
shape. Hence, the reflection symmetry is closely related to the line symmetry.

Reflection symmetry happens when a figure can be split into
two parts, and one part is like a mirror image of the other. The reflection of an object
This is also called line symmetry. underwater is called water

Important Aspects of Reflection Symmetry Note: image. It also shows a line
symmetry.
• Shapes may have one or more reflection symmetry lines.

• The positioning of these lines is flexible.
• The halves formed by the symmetry line are mirror images
and are congruent.

Reflection symmetry is visible in butterflies, human faces, squares, pentagons, some numerals
and alphabets. Snowflakes shows reflection symmetry very well.

activity
Let us explore the concept of reflection with a simple activity to create our own reflected shapes.
• Take a sheet of paper and fold it in half.

• Unfold the sheet of paper and apply watercolour on one-half of the sheet.

• Fold the sheet of paper again, pressing it gently to spread the paint.
• Unfold the paper to see two patterns that are reflections of each other.

From this activity, we can conclude that reflection shows symmetry. The line where we folded the paper acts
as the mirror line, which is the line of symmetry.
Compare the symmetry and reflection in the patterns created to see how they are related.

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