
A semicircle has infinite number of lines of symmetry.

Important Questions on Idea of Symmetrical Shapes and Reflection Symmetry
The following question consists of two sets of figures. There is a definite relationship between the first set of figures. Establish a similar relationship between the second set of figures by selecting a suitable figure from the options.

Circle the letters that are symmetrical.

The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry.
Identify multiple lines of symmetry, if any, in the following figure:

What other name can you give to the line of symmetry of
A circle?




Plot the image of the shape on a Cartesian grid:
Rotation about the origin

Using a dotted line, can you divide the given picture into two similar halves?


State the number of lines of symmetry for the following figures:
A circle




Identify multiple lines of symmetry, if any, in the following figure:


Describe the transformation that has been performed in the diagram and express it using correct arrow notation.

A triangle with a horizontal line of symmetry but no vertical line of symmetry.

What other name can you give to the line of symmetry of an isosceles triangle?

Describe the transformation that have occurred in the diagram:

Plot the image of the shape on a Cartesian grid:
Rotation anticlockwise about the origin

State the number of lines of symmetry for the following figures.
A quadrilateral

