A regular hexagon has six lines of symmetry.

A regular pentagon has no lines of symmetry.

A regular octagon has 10 lines of symmetry.

On a squared paper, sketch the following: A hexagon with six lines of symmetry.

Assertion : A parallelogram has no line of symmetry. Reason : Each regular polygon has as many lines of symmetry as it has sides.

A kite has two lines of symmetry.

The side of a regular hexagon (Fig 11.10) is denoted by 1. Express the perimeter of the hexagon using 1. A regular hexagon has all its six sides equal in length.)

On a squared paper, sketch the following: A hexagon with exactly two lines of symmetry.

A regular hexagon has a side 8cm. Determine its perimeter and area.

A parallelogram has no line of symmetry.

Which of the following statements are true and which are false ? (i) A parallelogram has no line of symmetry. (ii) An angle with equal arms has its bisector as the line of symmetry (iii) An equilaterla triangle has three lines of symmetry. (iv) A rhombus has four lines of symmetry. (v) a square has for lines of symmetry. (vi) A rectangle has two lines of symmetry. (vii) Each one of the letters H,I,O,X of the English alpabet has two lines of symmetry.