Page 75 - Grade 10 C.Math
P. 75

3g ;]=ld=


                                                                       3g ;]=ld=


                                                      = 3028.67 3g ;]=ld=
                       Curriculum Development Centre
                  pbfx/0f 2

                  lbOPsf] ;+o'St 7f]; j:t'sf] ;txsf] If]qkmn / cfotg lgsfNg'xf];\ .
                  ;dfwfg

                      oxfF, cw{Jof; (r) = 7 ;]=ld=                                        7 ;]=ld=

                      a]ngfsf] prfO (h) = (32 – 2 × 7) ;]=ld=             32 ;]=ld=

                                          = (32 – 14) ;]=ld= = 18 ;]=ld=
                      ;+o'St 7f]; j:t'sf] cfotg (V) = ?

                      ;+o'St 7f]; j:t'sf] ;txsf] If]qkmn (SA)= ?

                      lrqcg';f/,
                      ;+o'St 7f]; j:t'sf] ;txsf] If]qkmn = (2πr + 2πrh + 2πr )  ju{ PsfO
                                                                      2
                                                          2
                                     2
                       T.S.A.     = (4πr + 2πrh) ju{ PsfO
                                = 2πr(2r + h)

                                                     ju{ ;]=ld=

                                = 44(32) ju{ ;]=ld= = 1408 ju{ ;]=ld=


                  ;+o'St 7f]; j:t'sf] cfotg                        3g PsfO


                                                              3g PsfO



                                                                         3g ;]=ld=


                                                               3g ;]=ld=


                                                               3g ;]=ld=




                 72                                                                    ul0ft, sIff –10
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