Page 69 - Grade 10 C.Math
P. 69

2
                      uf]nfsf] ;txsf] If]qkmn (SA) = 4πr  ju{ PsfO
                                                              ju{ ;]=ld=


                                                           ju{ ;]=ld=

                       Curriculum Development Centre
                                                      ju{ ;]=ld=

                                               = 154 ju{ ;]=ld=


                  uf]nfsf] cfotg (V) =   πr   3g PsfO
                                           3

                                                   3g ;]=ld=

                                                 3g ;]=ld=


                                                3g ;]=ld=

                                    = 179.67 3g ;]=ld=

                  pbfx/0f 2

                  ;txsf] If]qkmn 616 ju{ ;]=ld= ePsf] Pp6f uf]nfsf] cfotg lgsfNg'xf];\ .


                  ;dfwfg

                  oxfF, uf]nfsf] ;txsf] If]qkmn (S.A) = 616 ju{ ;]=ld=

                      uf]nfsf] cfotg (V) = ?


                                                                   2
                      xfdLnfO{ yfxf 5, uf]nfsf] ;txsf] If]qkmn (SA) = 4πr  ju{ PsfO
                            2
                       4πr = 616 ju{ ;]=ld=

                               ju{ ;]=ld=


                               ju{ ;]=ld=



                                  ju{ ;]=ld=

                      = 7   ju{ ;]=ld=
                          2
                 66                                                                    ul0ft, sIff –10
   64   65   66   67   68   69   70   71   72   73   74