Page 148 - Grade 10 C.Math

;fWo 3
Pp6} cfwf/ / pxL ;dfgfGt/ /]vfx¿sf lardf /x]sf lqe'hx¿sf If]qkmn a/fa/ x'G5g\ .
yfxf lbOPsf]

ABC / DCB b'j} Pp6} cfwf/ BC tyf pxL ;dfgfGt/ /]vfx¿ BC / AD lardf /x]sf 5g\ .
A E
k|dfl0ft ug'{kg]{ D
Curriculum Development Centre
ABC sf] If]qkmn = DBC sf] If]qkmn
/rgf M DC ;Fu ;dfgfGt/ x'g] u/L EB lvrf}F .
k|df0f
B C
tYox¿ sf/0fx¿
1. ;=r=BCDE sf] ljs0f{ BD ePsfn]
]
]
]
1. DCB sf Ifqkmn = ;=r= BCDE sf Ifqkmn
]
2. ABC / ;=r= BCDE b'j} Pp6} cfwf/
2. ABC sf] If]qkmn = ;=r= BCDE sf]
BC / pxL ;dfgfGt/ /]vfx¿ BC /
If]qkmn
AD lardf /x]sfn ]
3.ABC sf] If]qkmn = DCB sf] If]qkmn
3. tYo (1) / (2) af6
k|dfl0ft eof] .
o; ;fWonfO{ klg j}slNks tl/sfaf6 k|dfl0ft ug'{xf];\ .
A Y D X
pbfx/0f 1
Pp6} cfwf/ BC df ag]sf cfot BCXY /
;=r= ABCD sf] If]qkmn a/fa/ x'G5g\ egL k|dfl0ft ug'{xf];\ .
yfxf lbOPsf] M pxL ;dfgfGt/ /]vfx¿ AX tyf BC / pxL C
cfwf/ BC df ;=r= ABCD / cfot BCXY ag]sf 5g\ . B

k|dfl0ft ug'{kg]{ M cfot BCXY sf] If]qkmn = ;=r= ABCD sf] If]qkmn
k|df0f
tYox¿ sf/0fx¿

1. ;dsf]0f AYB / ;dsf]0f DXC df 1.
'
]
]
]
(i) AYB = DXC -;=_ (i) cfotsf sf0fx¿ ;dsf0f xg ePsfn ]
(ii) AB = DC -s=_ (ii) ;=r= ABCD sf ljk/Lt e'hfx¿
(iii) BY = CX -e'=_ (iii) cfotsf ljk/Lt e'hfx¿
2.AYB  DXC 2. ;=s=e'= tYo cg';f/
3. AYB sf] If]qkmn = DXC sf] If]qkmn 3. cg'¿k lqe'hsf If]qkmnx¿
4. AYB + ;=n=r= BCDY = DXC + ;=n=r= BCDY 4. b'j}tk{m pxL ;=n=r= BCDY hf]8\bf

5. ;=r= ABCD sf Ifqkmn = cfot BCXY sf Ifqkmn 5. l;ª\uf] 6'j|]m tYocg';f/
]
]
]
]
k|dfl0ft eof] .
145 ul0ft, sIff – 10