Page 180 - Grade 10 C.Math
P. 180
P
cyjf, 2 x x r = 176
cyjf, r = 28m = OQ
k]ml/ ;dsf]0fL POQ df 30°
Q O
Curriculum Development Centre
cyjf,
cyjf,
ctM vDafsf] prffO = 16.17m
pbfx/0f 3
1.5 ld6/ cUnf] dflg; 51.5 ld6/ cUnf] ?vsf] l7s cufl8 pleP/ ?vsf] 6'Kkf]df x]bf{ 45° sf]
sf]0f agfpF5 eg] ?v / dflg;larsf] b'/L kTtf nufpg'xf];\ .
;dfwfg
dfgf}F, BC = dflg;sf] prfO = 1.5m /
A
?vsf] prfO = AD = 51.5 m
t;y{ AE = AD - BC = 51.5 – 1.5 = 50 m
ABE = 45°
51.5 m
ca ?v / dflg;larsf] b'/L DC = EB = ?
ca, ;dsf]0fL lqe'h ABE df 45°
B E
1.5m
cyjf, C D
cyjf, BE = 50 m
t;y{ pSt dflg; ?vaf6 50m sf] b'/Ldf plePsf] /x]5 .
177 ul0ft, sIff – 10