Page 101 - Grade 10 C.Math

3.(a) cw{Jof; 1.05 ld6/ / prfO 3.5 ld6/ gfk ePsf] kfgL 6\ofª\sLsf] dflyNnf] efu cw{
uf]nfsf/ (hemisphere) 5 eg] pSt kfgL 6\ofª\sLdf slt kfgL c6fpF5 < kTtf
nufpg'xf];\ .
(b) Pp6f ljb\ofnodf cfsf;] kfgL hDdf ug{ 1.40 ld6/ leqL Jof; / 1.5 ld6/ prfO ePsf]
a]ngfsf/ 6\ofª\sL lgdf{0f ul/Psf] 5 . olb pSt 6\ofª\sLsf] dflyNnf] efu 0.36 ld6/ 7f8f]
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Curriculum Development Centre
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prfOsf ;fnL 5 eg ;f 6ofªsLdf slt kfgL c6fp5 xfnf < kTtf nufpgxf; .
F
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A
4. ;Fu}sf] lrqdf ABCD 6\ofª\sLsf] dflyNnf] efu tyf
D
A'B'C'D' 6\ofª\sLsf] cfwf/ xf] . o;sf] prfO BB' = AA' A'
4 ld=
= CC' = DD' = 2.5 ld6/ 5 . 6\ofª\sLsf] cfwf/ A'B'C'D' 5.5 ld=
D'
sf] ljs0f{ A'C' = 6.25 ld6/ D'X = 2.3 ld6/ / B'Y =
X
4.5 ld6/ 5 . pSt 6\ofª\sLsf] cWoog u/L lgDg lnlvt Y
B C
k|Zgx¿sf] pTt/ lbg'xf];\ M 2.5 ld=
B' C'
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(a) 6ofªsLsf rf/ leTtfsf hDdf Ifqkmn lgsfNgxf; . 5.5 ld=
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(b) klt juld6/ ?= 275 sf b/n rf/ leTtfdf Knf:6/ ubf nfUg Hofnf lgsfNgxf; .
(c) 6\ofª\sLsf] cfwf/sf] ;txsf] If]qkmn slt x'G5 <
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(d) 6ofªsLsf cfwf/df klt juld6/ ?= 250 sf b/n Knf:6/ ubf slt Hofnf nfU5 <
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(e) 6\ofª\sLdf slt kfgL c6fpF5 <
(f) tkfO{Fsf] ljb\ofnosf] ;]jf If]qdf pknAw cf]e/l;o/ jf OlGhlgo/;Fu ;Dks{ u/L
6\ofª\sL lgdf{0fsf nflu nfUg] nfut vr{ lgsfNg'xf];\ .

98 ul0ft, sIff – 10