Page 195 - Maths Class 06
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8. Fill in the blanks:
(a) A square has ____________ lines of symmetry.
(b) A ____________ has unlimited number of lines of symmetry.
(c) A ____________ triangle has no line of symmetry.
(d) The letter ‘X’ has ____________ lines of symmetry.
9. Draw a triangle PQR with PQ = PR. Draw its line of symmetry.
10. Find the lines of symmetry of:
11. Collect any five examples of reflectional symmetry from your surroundings.
12. In each of the follow ing, draw the mirror image with respect to the given mirror line:
(a) (b) (c)
(d) (e) (f)
At a Glance
l Symmetry means balanced. A figure has linear symmetry, if a line can be drawn dividing the figure
into two identical parts.
l A figure may have more than one line or axis of symmetry.
l Mirror image is same as symmetry except for the fact that the left « right changes in orientation.
l A circle has infinite lines of symmetry.
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