EXERCISE 22 A

1.Examine the following shapes and tell which of these have a line or lines of symmetry and which do not have any line of symmetry ?

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

2.Draw the lines of symmetry in each of the following figures:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

(ix)

(x)

(xi)

(xii)

3.Draw the line of symmetry in each of the following letters of the English alphabet.

4.Name the seven letters of the English alphabet which have no line of symmetry.

5.Complete the following figurs about the given lines of symmetry, which have been shown by dotted lines.

(i)

(ii)

(iii)

(iv)

6.Construct a triangle in which AB=5.3cm . angleA=45 deg and angleB=90 deg .Draw its line or lines of symmetry