Page 99 - Grade 10 C.Math

6\ofª\sLsf] cfotg = kfgLsf] cfotg x'G5 .

6\ofª\sLdf c6\g] kfgLsf] cfotg (V) = 12.5 3g ld6/ x'G5 .

xfdLnfO{ yfxf 5,

1 3g ld6/ kfgL = 1 xhf/ ln6/ kfgL x'G5 .
Curriculum Development Centre
12.5 3g ld6/ kfgLsf] cfotg = 12 xhf/ 5 ;o ln6/ x'G5 .

pbfx/0f 3
;Fu}sf] lrqdf Pp6f 3/sf] sDkfpG8sf] u]6sf b'O{ cf]6f lkn/ / lkn/dfly ju{ cfwf/sf
b'O{ cf]6f lk/fld8x¿ /flvPsf 5g\ . 6 lkm6 cUnf] lkn/dfly 1 lkm6 prfO ePsf] lk/fld8
5 . pSt lkn/df k|lt ju{lkm6 ?= 52 sf b/n] 6fon nufpFbf hDdf slt vr{
nfU5, lgsfNg'xf];\ .

;dfwfg

oxfF, lk|Hdsf] nDafO (l) = 6 lkm6 1 lkm6

lk/fld8sf] 7f8f] prfO (h) = 1 lkm6

lk/fld8sf] rf}8fO (b) = 1 lkm6
6 lkm6 6 lkm6
lk|Hdsf] cfwf/ juf{sf/ 5 .

lk/fld8sf] 58\s] ;txsf] prfO (l) = ?
lkm6

lkm6 1 lkm6 1 lkm6
1 lkm6 1 lkm6
 lkm6

= 1.12 lkm6

Pp6f lkn/sf] k'/f ;txsf] If]qkmn = (1 x 6 + x 1 x 1.12) x 4 ju{lkm6

b'O{ cf]6f lkn/sf] k'/f ;txsf] If]qkmn = 2 x 4(6 + 0.56) ju{lkm6

T.S.A = 52.48 ju{lkm6
k|lt ju{lkm6 6fon nufPsf] vr{ (C) = ?= 52

t;y{, hDdf vr{ (T.C) = ? 52 x 52.48 = ?= 2728.96 ≈ ?= 2729

96 ul0ft, sIff – 10