Page 154 - Grade 10 C.Math

(c) a/fa/ If]qkmn x'g] ;dfgfGt/ rt'e'{h / lqe'hsf] /rgf
s'g} lglZrt gfksf] lqe'h / ;dfgfGt/ rt'e'{hsf] If]qkmn;Fu a/fa/ If]qkmn x'g] ;dfgfGt/

rt'e'{h / lqe'hx¿sf] /rgf s;/L ug{ ;lsG5, tn lbOPsf pbfx/0fx¿sf] cWoog u/f}F M

pbfx/0f 3
Curriculum Development Centre
AB = 4 cm, BC = 7 cm, ABC = 120° ePsf] ABC sf] /rgf u/L pSt lqe'h;Fu a/fa/ If]qkmn
x'g] ;dfgfGt/ rt'e'{hsf] /rgf ug'{xf];\ h;df e'hf DE = 6 cm 5 .
E
;dfwfg A F

-s_ lbOPsf] cfFs8fsf] gd'gf lrq lvRg'xf];\ . 120°
B D C
-v_ AB = 4 cm, BC = 7cm / ABC = 120° ePsf] ABC lvRg'xf];\ .

-u_ BC ;Fu ;dfgfGt/ /]vf XY lvRg'xf];\ .

-3_ BC sf] dWolaGb' D lnP/ D af6 A E F Y
X
/ C af6 6 cm sf] rfkn] XY
df lrx\g nufpg'xf];\ / sfl6Psf

laGb'x¿df j|mdzM E / F n]Vg'xf];\ . 120°
-ª_ D / E, C / F hf]8\g'xf];\ . B D C

o;/L cfjZos ;dfgfGt/ rt'e'{h CDEF sf] /rgf eof] h;sf] If]qkmn ABC ;Fu
a/fa/ 5 .

pbfx/0f 4

AB = 4.5 cm, BC = 5.2 cm / ABC = 60° ePsf] ;dfgfGt/ rt'e'{h;Fu a/fa/ If]qkmn x'g] u/L
EAF sf] /rgf ug'{xf];\ h;df EAF = 60° 5 .

;dfwfg C
D F
-s_ lbOPsf] gfksf] gd'gf lrq lvRg'xf];\ .

-v_ lbOPsf] gfk a/fa/sf] ;dfgfGt/ rt'e'{h /rgf ug'{xf];\ .
hxfF AB = 4.5 cm, BC = 5.2 cm / ABC = 60° 5 . A B E

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