Page 219 - ICSE Math 6
P. 219

2.  In the following figures, draw the line(s) of symmetry, if possible.



                         (a)                          (b)                           (c)




                        (d)                           (e)                           (f)



                      3.  For each of the following, draw a sketch showing the lines of symmetry and then write the number
                        of lines of symmetry.

                         (a)  An isosceles triangle   (b)  An arc                   (c)  A segment of a circle
                        (d)  Line segment             (e)  Square                   (f)  Rectangle
                      4.  Out of the vowels, A, E, I, O and U, how many are symmetric?
                      5.  Draw the following letters with their line(s) of symmetry, if any. Also, count the total lines of
                        symmetry for each.
                         (a)  C               (b)  F           (c)  X           (d)  Y           (e)  Z
                      6.  Draw an obtuse-angled triangle with no line of symmetry.
                      7.  Draw a right-angled triangle with 1 line of symmetry.
                      8.  What  is  the  word  formed  by  completing  the  letters  along  the  given  line  of  symmetry  in
                        ‘           ’?
                      9.  Draw ∠XYZ = 90° with XY = YZ = 8 cm. Draw a line of symmetry of ∠XYZ.
                     10.  Draw a right-angled DRPQ with PQ = QR = 5.8 cm. Draw a line of symmetry of DPQR.
                     11.  Draw a line segment PQ of length 6 cm. Draw a line with respect to which points P and Q are
                        symmetric.
                     12.  In each of the following figures, construct a point B symmetric to the point A with respect to the
                        given line l.


                                                                                                                l
                                   A                                                               A
                         (a)                            (b)                          (c)
                                                l                           A


                                                                       l

                     13.  A quality controller at a glass manufacturing company checks whether
                        each  glass  manufactured  is  symmetric  about  a  vertical  line  or  not.
                        Being a quality controller which of the given glasses will you reject
                        or accept? Why?                                                                A               B
                     14.  A non-symmetric arrow will miss its target most of the time.
                        Which of the following arrows may miss their targets due to
                        the given reason?



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





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