Page 161 - Grade 10 C.Math

k|To]s sf]0fsf] gfknfO{ tn lbOPsf] tflnsfdf k|:t't ug'{xf];\ M

lrq ADB ACD kl/0ffd
(i)

(i)

5. rj|mLo rt'{e'hsf ;Dd'v sf]0fx¿ kl/k"/s x'G5g\ .

km/s km/s cw{Jof; ePsf b'O{ cf]6f j[Ttx¿ A
lvRg'xf];\ . j[Ttleq rj|mLo rt'{e"h ABCD A
lvRg'xf];\ . O D
O D
B B
C C

rj|mLo rt'{e'hsf ;Dd'v sf]0fx¿ gfk]/ tn lbOPsf] tflnsfdf eg'{xf];\ M

lrq BAD BCD ADC ABC ABC + ADC BCD + BAD kl/0ffd

(i) Curriculum Development Centre

(ii)

dflysf tflnsfsf] lgisif{nfO{ sIffsf]7fdf k|:t't ug'{xf];\ .

;}b\wflGts k|df0f (Theore cal Proof)

;fWo 1. Pp6} j[Ttv08df ag]sf kl/lw sf]0f / s]Gb|Lo sf]0fdWo] s]Gb|Lo sf]0f kl/lw sf]0fsf]
b'O{ u'0ff x'G5 .
C
yfxf lbOPsf] M lrqdf O j[Ttsf] s]Gb| laGb' xf] .
j[Ttv08 AB cyjf rfk AB df ag]sf kl/lw sf]0f
/ s]Gb|Lo sf]0f j|mdzM ACB / AOB x'g\ . O

k|fl0ft ug'{kg]{ M AOB = 2ACB
A D B
/rgf M CO nfO{ D ;Dd nDAofcf}F .

158 ul0ft, sIff – 10