Page 181 - Grade 10 C.Math

pbfx/0f 4
Pp6f 150 m cUnf] 6fj/ 6fj/sf] 6'Kkf]af6 60m sf] b'/Ldf /x]sf] 3/sf] 5tdf x]bf{ aGg] cjglt

sf]0f 30° ePdf 3/sf] prfO kTtf nufpg'xf];\ .

;dfwfg

oxfF, dfgf}F AC = 6fj/sf] prfO = 150 m /

BE = CD = 6fj/b]lv 3/;Ddsf] b'/L = 60 m

cjglt sf]0f FAE = AEB = 30°

DE = 3/sf] prfO = ? A F
30°
;dsf]0fL ABE df

cyjf,
150m

30°
B E
cyjf, Curriculum Development Centre

=
C D
= 115.36 m 60 m

ctM 3/sf] prfO = 115.36 m

pbfx/0f 5

Pp6f 25 3 m cUnf] ?vsf] 6'Kkf]df kfs]sf] kmn 5 . pSt ?veGbf 72 ld6/ k/ /x]sf]
3 m cUnf] dflg;n] pSt kmnnfO{ lg;fgf nufpg slt l8u|Lsf] sf]0f agfP/ d6\ofª\u|f xfGg'

knf{ < kTtf nufpg'xf];\ .

;dfwfg

dfgf}F, ?vsf] prfO AB = 25 3 m

178 ul0ft, sIff – 10