Page 4 - ppt2
P. 4

We observe that the end point B is
                                     W       e    o    bs     e  r   v  e     t  h   a  t    t h   e     e   nd        po      i nt      B      i s


                                                                                                                                                r
                                                                                                              o
                                                                           i
                                                                           i
                                                                                                              o
                                                                                 ns
                                                                             o
                                                                             o
                                                                   v
                                                                   v
                                                                 i
                                                                 i
                                                                        s
                                                                        s
                                                                      i
                                                                      i
                                                                                             he
                                                                                                        d
                                                                                                                                            a
                                                                                             he
                                                                                                     a
                                                                                                     a
                                                                                                        d
                                                                                                                                      m
                                                                                                                                             a

                                                                                 ns

                                                                                          a
                                                                                          a


                                              ma
                                                                                                                           c
                                           s
                                              ma
                                                                                                                       3
                                                                                                                           c
                                                                                                                                                   k
                                                                                                                              m
                                                                                                                                      m
                                     5 small divisions ahead of 3cm mark.
                                     5  5  5  s ma      l l   d  i v  i s  i o   ns       a  he      a  d     o    f   3   c  m       m     a   r  k   .
                                                                                                                                                       .
                                           s
                                                                                                                              m
                                                                                                                                                       .
                                                                                                                                                   k
                                                                                                                   f
                                                                                                                                                r
                                                                                                                       3

                                                             d

                                                        l
                                                                                                                   f
                                                        l
                                                         l
                                                         l
                                                             d
                                                                                                                  s
                                                                                                       i
                                                                                                                                      n

                                                                                                            e
                                                                                                                         g
                                                                                                                     e
                                                                                                        n
                                                                                                                            me
                                                                                                     l
                                                      e
                                                  h
                                                t
                                                            l
                                                                                                                                                s

                                         o
                                     S
                                     So, the length of AB line segment is

                                             ,

                                                                                         A
                                                                                      f


                                                                                                                                          t
                                                                                              B
                                                                         t
                                                                  ng
                                                              e
                                                                                  o
                                                                                                                                               i
                                                                            h
                                                       5

                                                             mm
                                               m
                                     3 cm 5 mm or 3.5 cm.
                                     3
                                           c
                                                                                          5
                                                                                                c
                                                                                                    m.
                                                                                     3.
                                                                           o
                                                                               r
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