2 Marks Questions

Question 12 Marks

Name any two figures that have both line symmetry and rotational symmetry.

Answer

An equilateral triangle and a square have both lines of symmetry and rotational symmetry.

Question 22 Marks

Give an example of a geometrical figure which has neither a line of symmetry nor a rotational symmetry.

Answer

A scalene triangle has neither a line of symmetry nor a rotational symmetry.

Question 32 Marks

Draw, whenever possible, a rough sketch of: A quadrilateral with line symmetry but not a rotational symmetry.

Answer

A kite is a quadrilateral which has only one line of symmetry and no rotational symmetry.

Question 42 Marks

Draw, whenever possible, a rough sketch of: A triangle with only line symmetry and no rotational symmetry.

Answer

An isosceles triangle has only $1$ line of symmetry and no rotational symmetry.

Question 52 Marks

Draw, whenever possible, a rough sketch of:
A quadrilateral with a rotational symmetry but not a line of symmetry.

Answer

A parallelogram is a quadrilateral which has no line of symmetry but a rotational symmetry of order $2$.

Question 62 Marks

Give an example of a figure that has a line of symmetry but does not have rotational symmetry.

Answer

A semicircle and an isosceles triangle have a line of symmetry but do not have rotational symmetry.

Question 72 Marks

Identify three examples of shapes with no line of symmetry.

Answer

A scalene triangle, a parallelogram and a trapezium do not have any line of symmetry.

Question 82 Marks

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

Answer

A circle has infinite lines of symmetry all along its diameters.

Question 92 Marks

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

Answer

An isosceles triangle has only $1$ line of symmetry.