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