class vi geo-c13-উপপাদ্য-২(পুণোরালোচণা)

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সসসস সসস সসসসসস:সসস সসসস

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  1. 1.
  2. 2. : ,
  3. 3. .....................
  4. 4. A B C D A BC D O ,AOC= BOD COB= AOD
  5. 5. C DO A AOC+ AOD= =
  6. 6. A O B D AOD+ BOD= =
  7. 7. A O B D C AOC+ AOD= AOD+ BOD AOC= BOD( AOD ) , COB= AOD
  8. 8. : : : , AOD = BOC
  9. 9. P N QM O , PON = MOQ
  10. 10.