EXERCISE 12.1

Can we have shapes whose order of rotational symmetry is more than $1$ and the angle of rotation is $18°$.

Can we have shapes whose order of rotational symmetry is more than $1$ and the angle of rotation is $16°$.

Name the following:

 a triangle with rotational symmetry of the order more than $1$.
 

Name the following:

a triangle with rotational symmetry of the order $1$ and no line of symmetry

Name the following:

a triangle with one line of symmetry and rotational symmetry of the order $1$.

Name the following:

 a quadrilateral with two lines of symmetry and the order of rotational symmetry more than $1$.

Name the following:

a quadrilateral with one line of symmetryand the order of rotational symmetry as $1$.

Name the following:

a quadrilateral with no line of symmetry but with rotational symmetry of the order more than $1$.