S Purkayastha Solutions for Chapter: Symmetry, Exercise 5: Mental Maths

Name two letters of the English alphabet which have line(s) of symmetry but no rotational symmetry.

Draw a triangle which has both the line of symmetry as well as the rotational symmetry more than 1.

Name one digit from $1$ to $9$ which have both reflection and rotational symmetry.

A symmetrical figure will have at least _____ line(s) of symmetry.

 Two concentric circles will have _____ line(s) of symmetry.

A semicircle will have _____ line(s) of symmetry.