Page 97 - Grade 10 C.Math

7.3 HofldtLo j:t'x¿ (Geometrical Bodies)
Ps hgf cleefjsn] sIff 10 df cWoog/t cfk\mgf] 5f]/fnfO{ eg], æxfd|f] 3/sf] k5fl8 b;
xhf/ ln6/ kfgL c6fpg] Pp6f kfgL 6\ofª\sL agfpg'k¥of] . To;sf nflu df]6fdf]6L slt ld6/
nDafO, slt ld6/ rf}8fO / slt ld6/ prfOsf] 6\ofª\sL agfpFbf pko'St xf]nf, cfjZos lx;fa
lstfa u/L lgsfn t .Æ tTsfn b; xhf/ ln6/ kfgL c6fpg] 6\ofª\sL agfpg lgDgfg';f/sf
Curriculum Development Centre
lx;fa u/L 5f]/fn] a'afnfO{ b]vfP M

6\ofªsLsf] prfO (h) = 2 ld6/
nDafO (l) = 2.85 ld6/

rf}8fO (b) = 2.75 ld6/

t;y{ lgsfNg' kg]{ df6fsf] cfotg (V) = l x b x h 3g PsfO

= 2 x 2.85 x 2.75 3g ld6/

= 15.675 3g ld6/
tof/L 6\ofª\sLsf] cg'dflgt gfk

nDafO (l) = 2.60 ld6/
i
rf}8fO (b) = 2.50 ld6/
i
prfO (h) = 1.75 ld6/
i
t;y{ kfgLsf] cfotg (V ) = l x b x h 3g PsfO
i
i
i
w
= 2.60 x 2.50 x 1.75 3g ld6/
= 11.375 3g ld6/
o;/L pSt ljb\ofyL{n] cg'dflgt 11 xhf/ 3 ;o 75 ln6/ kfgL c6fpg] kfgL 6\ofª\sL lgdf{0fsf
nflu cfjZos vfsf tof/ u/] . dflysf] lj|mofsnfksf] cWoog u/L lgDg lnlvt k|Zgx¿sf]
pTt/ lbg'xf];\ M

1. Ps 3g ld6/ kfgL a/fa/ slt ln6/ x'G5 <

2. Ps ln6/ kfgL a/fa/ slt 3g ;]lG6ld6/ kfgL x'G5 <

3. pSt kfgL 6\ofª\sL lgdf{0fsf nflu cg'dflgt vr{ lgsfNg'xf];\ .
4. tkfO{Fx¿n] klg cfcfk\mgf 3/ jf ljb\ofnosf nflu cfjZos kfgL 6\ofª\sL lgdf{0f ug{

Pp6f sfo{ of]hgf tof/ ug'{xf];\ .

94 ul0ft, sIff – 10