Page 138 - Revised Maths Wisdom Class - 6

136 MATHS

Example 2: Find the number of lines of symmetry for the following letters:

(a) (b) (c) (d)

(e) (f) (g)

Solution: (a), (b) and (d) have no lines of symmetry. (c) has infinite lines of symmetry.

(e) has two lines of symmetry. (f) has two lines of symmetry.
(g) has one line of symmetry.

(a) (b) (c) (d)

(e) (f) (g)

Exercise 9A
Exercise 9A

1. Tick (3) the symmetrical figures. Put a cross (7) through the figures that are not symmetrical.

(a) (b) (c) (d) (e) (f)

(g) (h) (i) (j) (k)