Page 98 - Grade 10 C.Math

pbfx/0f 1 A
Pp6f 3/sf] cfFug lbOPsf] HofldtLo cfsf/sf] 5 . 3 lkm6 B
pSt cfFugdf k|lt ju{lkm6 ?= 24 sf b/n] Knf:6/ Y 8 lkm6
ubf{ hDdf Hofnfsf] /sd slt x'G5, lgsfNg'xf];\ . D X
-s'g} gfk lbOPsf] 5}g ._
Curriculum Development Centre
;dfwfg 6 lkm6

oxfF, k|lt ju{lkm6 Knf:6/sf] Hofnf (c) = ?= 24

hDdf Hofnf (T) = ? C

cfFugsf] s'g} gfk lbOPsf] 5}g . t;y{ ;j{k|yd ljs0f{ BD jf AC gfk lng'k5{ . dfgf}F ljs0f{
BD sf] gfk 8 lkm6 5 . ljs0f{ BD df nDa x'g] u/L AX / CY b'O{ cf]6f prfOx¿ gfKbf j|mdzM
3 lkm6 / 6 lkm6 kfOof] . t;y{ cfFugsf] If]qkmn (A) = x BD (AX + CY) ju{ PsfO x'G5 .

cyjf A = x 8 x (3 + 6) ju{lkm6
= 4 x 9 ju{lkm6

= 36 ju{lkm6

hDdf Hofnf (T) = C X A x'G5 .

= ?= 24 x 36

= ?= 864
pbfx/0f 2

Pp6f kfgL 6\ofª\sLsf] leqL nDafO 2.5 ld6/, rf}8fO 2.5 ld6/ / prfO 2 ld6/ 5 . pSt
6\ofª\sLdf slt kfgL c6fpF5 < kTtf nufpg'xf];\ .

;dfwfg

oxfF kfgL 6\ofª\sLsf] leqL nDafO (l) = 2.5 ld6/

rf}8fO (b) = 2.5 ld6/

prfO (h) = 2 ld6/

kfgL 6\ofª\sLsf] cfotg (V) = l x b x h 3g PsfO
= 2.5 ld6/ x 2.5 ld6/ x 2 ld6/

= = 12.5 3g ld6/

95 ul0ft, sIff – 10