Page 69 - Grade 10 C.Math
P. 69
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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