Page 145 - Revised Maths Wisdom Class - 6
P. 145

Symmetry                                                                                                 143


            (c)                                                    (d)









          6.  Find the lines of symmetry in the following:











                         (a)                                   (b)                                (c)

          7.  In each of the following, draw the mirror image with respect to the given mirror line.








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

          8.  Which figure has exactly four lines of symmetry? Draw the lines of symmetry.


            (a)                                               (b)


          9.  Complete the following:

            (a) An equilateral triangle has ___________ lines of symmetry.
            (b) A rhombus is symmetrical about its _____________.
            (c) The number of lines of symmetry of a circle is _____________.

          10. State whether true or false. Explain the reason for your choice.
            (a) A right triangle can have at most one line of symmetry.

            (b) If a rectangle has more than two lines of symmetry, then it must be a square.
            (c) A parallelogram has no line of symmetry.
            (d) A rectangle is symmetrical about the lines joining the mid-points of the opposite sides.
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