Page 62 - Grade 10 C.Math
P. 62

pbfx/0f 4
                        s'g}  a]ngfsf]  cfwf/sf]  cw{Jof; 7 ;]=ld=  /  prfO  14  ;]=ld=  5  eg]  ;f]  a]ngfsf]  cfotg
                        lgsfNg'xf];\ .

                        ;dfwfg

                        oxfF, a]ngfsf] prfO (h) = 14 ;]=ld=
                       Curriculum Development Centre
                        a]ngfsf] cfwf/sf] cw{Jof; (r) = 7 ;]=ld=
                        a]ngfsf] cfotg (V) = ?                                         h = 14 ;]=ld=

                        xfdLnfO{ yfxfF 5,

                        a]ngfsf] cfotg (V) = cfwf/sf] If]qkmn x prfO

                                          = πr  h
                                             2
                                                                           7 ;]=ld=
                                                      ju{ 3g ;]=ld=

                                                     3g ;]=ld=


                                            = (22 × 7 × 14) 3g ;]=ld=
                                                 = 2156 3g ;]=ld=


                        pbfx/0f 5

                        Pp6f a]ngfsf] cfwf/sf] If]qkmn 154 ju{ ;]=ld= tyf cw{Jof; / prfOsf] of]ukmn 20 ;]=ld= 5
                        eg] o;sf] jj|m ;txsf] If]qkmn / cfotg lgsfNg'xf];\ .
                        ;dfwfg

                          oxfF, a]ngfsf] cfwf/sf] If]qkmn =154 ju{ ;]=ld=
                            a]ngfsf] cw{Jof; / prfOsf] of]ukmn = 20 ;]=ld=

                                                    cyjf, r + h = 20 ;]=ld=

                            a]ngfsf] jj|m ;txsf] If]qkmn (CSA) =  ?
                            a]ngfsf] cfotg (V) = ?

                        k|Zgfg';f/, a]ngfsf] cfwf/sf] If]qkmn = 154 ju{ ;]=ld=

                        cyjf, r






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