2. ivSw – ihswbivSw – ihswb jmwq – nOvINjmwq – nOvIN s.h.s. sRI hrgoibMdpur, gurdwspur AiDAwpk – mInw (ihswb-imstRYs)

3. sU cI 1.audyS 2.pirBwSw 3.Kox dI ivSySqWvW 4.koxW nUM mwpxw 5.koxW dI iksmW 6.Swr_AMS 7.audwhrx 8.AiBAws 9.Biblography

4. bic`AW nUM ibMdU,ryKw Aqy ryKw KMf bwry jwnkrI dyxW[kox Aqy iqRBujW dI jwnkrI dyxW[swJINAW BujwvW bwry dsxw[ audy S

5. pirBwSw jdo do ryKwvW iksy ie`k ibMdU qy imldIAW hn qW kox bxwaudIAW hn[ A O B kox nMU AOB nwl drswieAw jWdw hY[

6. kox dI ivSySqWvW 1.OA Aqy OB, ∠ AOB dI BujwvW hn. 2.ijs ibMdU O qy BujwvW imldIAW hn aus nUM kox dw iSKr kihMdy hn[ 3.ijQo ie`k Bujw ( OA ), dUjI Bujw ( OB ) v`l muVdI hY aus nUM kox ikhw jWdw hY[ 4.kox dw mwp ifgrI hY[ 0B0B A

7. kox nUM mwpxw AOB 45 º dw hY < O B A

8. kox dIAW iksmW 1.inaUn kox 2.sm kox 3.AiDk kox 4.srl kox 5.pRiqibMbq kox 6.sMpUrn kox

9. inaUn kox A O B OAB=60 º <

10. sm kox AOB 90º dw kox hY < A B O

11. AiDk kox ijs kox dw mwp 90 0 qoN v`D hovy Aqy 180 0 qoN G`t hovy ausnMU AiDk kox kihMdy hn[ < AOB 120 º dw kox hY A OBOB

12. srl kox ijs kox dw mwp 180 0 hovy ausnUM srl kox kihMdy hn[ A O B < AOB 180 º dw kox hY

13. pRiqibMb kox ijs kox dw mwp 180 0 qo v`D Aqy 360 0 qo G`t hovy ausnUM pRiqibMb kox kihMdy hn[ < AOB 210 º dw kox hY OBOB A

14. sMpUrn kox ijs kox dw mwp 360 0 hovy ausnMU sMpUrn kox kihMdy hn[ <AOB 360 º dw kox hY O A B

15. kox d`so[

16. koxW dI pCwx kro 1. ∠ AOB - ___________ 2. ∠ AOC - ___________ 3. ∠ AOG - ___________ 4. ∠ AOE - ___________ 5. ∠ AOA - ___________ 6. ∠ AOF - ___________ A B C D E F G H O

17. Swr-AMS ies AiDAie iv`c,qusIN hyT ilKy nukiqAW dw AiDAYn kIqw hY: 1.jyy ie`k ikrx ie`k ryKw qy KVI hyvy, qW ies qrHW bxy dovyN lwgvyN koxW dw joV 180 º huMdw hY Aqy ault qOr qy jy do lwgvyN koxW dw joV 180 º hY,qW auhnW dI gYr sWJIAWBujwvW ie`k ryKw bxwauNdIAW hn [ iehnW guxW nUM imlw ky ryKI joVW svI-is`D kihMdy hn[ 2. jy do ryKwvW Awps iv`c k`cdIAW hn [ 3. auh ryKwvW,jo ie`k hI ryKw dy smWqr huMdIAW hn, Awps iv`c smWqr huMdIAW hn 4. ie`k iqRBuj dy iqMnW koxW dw joV 180 º huMdw hY[

18. audwhrx- ryKwvW PQ Aqy RS Awps iv`c O ibMdU qy ktdIAW hn[jy <PQR:<ROQ=5:7 hY, qW swry koxW dw mu`l pqw kro[ hl - <POR+<ROQ=180 º pr <POR:<ROQ=5:7 iesleI <POR=5/12*180º =75 º iesyqrHW <ROQ=7/12*180º=105º hux <POS=<ROQ=105º( isKr snmu`K kox ) Aqy <SOQ=<POR=75º( isKr snmu`K kox ) P S R Q O

19. AiBAws

20. h`l kro- 1. XY Aqy MN ibMdU O qy k`tdIAW hn [jy < POY=90 º Aqy a : b = 2 : 3 hY,qW c pqw kro 2. AB Aqy CD ibMdU O qy k`tdIAW hn [ jy<AOC+<BOC=70º hY Aqy <BOD=40º hY, qW <BOE Aqy irPlYks <COE pqw kro[ A O B CECE D X O Y P M N

21. 4. jy QT = PR <TQR = 40 º Aqy <SPR= 30º hY,qW x Aqy y dw m`ul pqw kro[ T Q S R 40 º y 30 º x P T 3. jy <PQR=<PRQ hY,qW is`D kro ik <PQS = < PRT hY[ S Q R T P

22. 5. POQ ie`k ryKw hY[ikrx OR ryKw PQqy lMb hY [ ikrxW OP Aqy OR dy ivckwr OS ie`k hor ikrx hY is`D kro :- <ROS=1/2(<QOS-<POS) R S P O Q 6. jy x+y=w+z hY[qW is`D kro ik AOB ie`k ryKw hY[ C B A D O Y x w z

23. 7. X Aqy y dy mu`l pqw kro Aqy iPr drswau ik AB II CD hY[ A 50 ◦ B x y C 130 ◦ D 8. jy ABII DE,<BAC=35 ◦ Aqy <CDE =53 ◦ hy,qW pqw <DCE kro[ ABAB CECE C 35 ◦ 53 ◦

24. 9. jY PQ┴ PS,PQ II SR, <SQR= 28◦ Aqy <QRT =65◦ hY x Aqy y dy mu`l pqw kro [ P Q S R T X 28 ◦ y 65 ◦ 10. <X = 62 ◦ Aqy <XYZ =54 ◦ hY[jykr YO Aqy ZO kRmvwr XYZ dy <XYZ Aqy <XZY dy smduBwjk hox, qW <OZY Aqy <YOZ pqw kro[ X YZYZ O

25. Biblography P.S.E.B. Book class 9 th N.C.E.R.T Book class 9 th For picture – self made scale, pencil,D.