Page 179 - Grade 10 C.Math
P. 179
CD ;Fu ;dfgfGt/ 5 . lIflth
To; sf/0f ABC = BCD x'G5 A B
cjglt sf]0f
cyf{t\, cjglt sf]0f = pGgtf+z sf]0f x'G5 .
b[li6 /]vf
oL sf]0fx¿ gfKg] oGqnfO{ SnfOgf]ld6/
;dfwfg Curriculum Development Centre
(clinometer) elgG5 . C pGgtf+z sf]0f D
pbfx/0f 1
Pp6f 24 m cUnf] vDafsf] 6'Kkf]af6 o;nfO{ c8\ofpgsf nflu tf/ nu]/ e'OFdf ufl8Psf] 5 .
olb pSt tf/n] e'OF;Fu 60° sf] sf]0f agfpF5 eg] tf/sf] nDafO slt xf]nf <
;dfwfg
oxfF dfgf}F AB vDafsf] prfO / BC tf/sf] nDafO xf] . hxfF, AB = 24m / ACB = 60°
;dsf]0fL ABC df
cyjf, B
cyjf,
24 m
60°
A C
t;y{ tf/sf] nDafO
pbfx/0f 2
kl/lw 176m ePsf] Pp6f j[Ttfsf/ rp/sf] lardf Pp6f cUnf] vDaf ufl8Psf] 5 . olb pSt
rp/sf] 5]paf6 vDafsf] 6'Kkf]df x]bf{ 30° sf] sf]0f aGb5 eg] pSt vDafsf] prfO slt xf]nf <
oxfF, dfgf}F O j[Ttfsf/ rp/sf] s]Gb|laGb' xf] eg] OQ cw{Jof; xf] .
xfdLnfO{ yfxf 5, j[Ttsf] kl/lw =176 m
cyjf, 2r = 176 m
176 ul0ft, sIff – 10