Geometriya 7 toshkent œyangiyo4l poligraf servisb
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27. Teng yonli uchburchakning yon tomoniga tushirilgan balandligi bilan ikkinchi yon tomoni orasidagi burchak 200 ga teng. Uchburchakning asosidagi burchagini toping. 28. B burchakning bissektrisasida yotgan D nuqtadan burchakning tomonla- riga DA va DC perpendikulyarlar o4tkazilgan. DA = DC ekanini isbotlang. 29. Agar A, B va C nuqtalar bir to4g4ri chiziqda yotib, AC = 7 m va BC = 9 m bo4lsa, AB kesmaning uzunligini toping. 153 154 Yakuniy yozma nazorat ishi namunasi. Masala. 1. Qo4shni burchaklardan biri ikkinchisidan 180 kichik. Shu burchaklarni toping. 2. 1-rasmda berilgan ma’lumotlar asosida: a) ABC = ADC ekanligini isbotlang; b) ACD uchburchak perimetrini toping. 3. 2-rasmda a || b va AB # CAD burchak bissektrisasi, AC = 7 sm. BC kesma uzunligini toping. Yakuniy nazorat ishi ikki qismdan iborat bo4lib, ikki dars soati (66-67-darslar) davomida o4tkaziladi. Birinchi qismda 64-65-darslarda ko4rilgan geometrik diktant va test savollariga o4xshash 5 ta diktant savollari va 10 ta testni yechish taklif qilinadi. Nazorat ishining ikkinchi qismida quyidagi variantda berilgan masalalarga o4xshash 5 ta masala berilishi mumkin. Uchinchi dars soatida (68-dars) natijalar muhokama qilinadi va xatolar ustida ishlanadi. A B C D 10 sm 7 sm 5 sm 1 A B D a b c 2 C Testlar 1. Berilgan nuqtadan berilgan to4g4ri chiziqqa parallel qilib nechta to4g4ri chiziq o4tkazish mumkin? A) 1; B) 2; D) 3; E) 4. 2. Yoyiq burchak necha gradusga teng? A) 900; B) 900 dan katta; D) 900 dan kichik; E) 1800. 3. Agar ABC uchburchakda B = 300, C = 900 va AC = 10 sm bo4lsa, AB gipo tenuzasini toping. A) 10 sm; B) 12 sm; D) 15 sm; E) 20 sm. 4. ABC uchburchakda AB = BC, AB = AC + 7 (sm). Agar ABC uchburchak perimetri 23 sm bo4lsa, uchburchakning kichik tomonini toping. A) 3 sm; B) 5 sm; D) 7 sm; E) 9 sm. 4. To4g4ri burchakli uchburchakning to4g4ri bur chagidan tushirilgan balandligi uning bis sektrisasi ham bo4ladi. Bu uchburchak bur chaklarini toping. 5. Berilgan burchakka teng burchak va uning bissektrisasini yasang. YAKUNIY NAZORAT ISHI VA XATOLAR USTIDA ISHLASH 66-68 154 155 5. Qo4shni burchaklardan biri ikkinchisidan uch marta katta. Bu burchaklar ayir masini toping. A) 450; B) 600 ; D) 750; E) 900. 6. Aylananing radiusi 3,2 sm. Uning diametrini toping. A) 3,2; B) 5,2; D) 6,4; E) 1,6. 7. ABC # to4g4ri burchakli uchburchak (3-rasm), C = 900, CD # mediana. BDC = 1300 bo4lsa, A ni toping. A) 450; B) 650; D) 750; E) 850. 8. ABC # teng yonli uchburchakning uchidagi B burchagi 800 ga teng. Uning A uchidagi tashqi burchagini toping. A) 1300; B) 1200; D) 1100; E) 1000. 9. Agar a b, b c, c d bo4lsa, quyidagi javoblardan qaysi biri to4g4ri? A) a ||c; B) b d; D) a ||d; E) b ||c. 10. Agar 4-rasmda AO = OB, OC = OD, BC = 5 sm va AO + OC = 7 sm bo4lsa, AOD uchburchak perimetrini toping. A) 5 sm; B) 7 sm; D) 12 sm ; E) 17 sm. 11. Agar 5-rasmda a||b va b||c bo4lsa, x = ? A) 600; B) 700; D) 800; E) 900. 12. ABC uchburchakda A = 500 va B = 700 bo4lsa, uning katta tomonini aniqlang. A) AB ; B) BC ; D) AC; E) aniqlab bo4lmaydi. 13. Agar 6-rasmda O # aylana markazi, AO = 4 sm bo4lsa, BC kesma uzunligini toping. A) 4 sm; B) 5 sm; D) 2 sm; E) 8 sm. 14*. 7-rasmda tasvirlangan uchburchakning kichik burchagini toping. A) 300; B) 450; D) 600; E) 900. A B C D a b c x 1100 A B C D O 3 4 5 2 a a 7 A B C O 6 155 156 2. 5. 1 ta. 7. a) istalgancha; b) 1 ta; c) 1 ta yoki umuman o4tkazib bo4lmaydi. 9. 5 ta; 8 ta. 3. 1. A va C ; A va B . 3. Ha; yo4q. 5. a) 2 ta; b) 3 ta; c) 4 ta; d) 11 ta; e) ( n + 1) ta. 6. 6 ta. 7. 8 ta. 8. 4 ta, 6 ta. 9. 4 ta. 10. Ha. 4. 8. 6 ta: AB, BC, CD; AC; AD; BD . 5. 9. B nuqta A va C orasida. 10. 15 sm. 6. 4. 4 sm ; 5 sm ; 6,5 sm ; 1 sm ; 2,5 sm ; 1,5 sm . 5. a) 6,6; b) 1; c) 9. 6. 12,8 sm . 7. 0,8. 9. 2 ta hol bo4lishi mumkin; B nuqta AC kesmada bo4lsa, AC = 800 m . C nuqta AB kesmada bo4lsa, AC = 400 m . 7. 9. a) 36 mm ; b) 90 sm ; c) 4 m 22 sm . 10. a) 5 sm ; b) 3,5 sm ; c) 57 sm . 13. 130 sm . 14. 16 m. 10. 1-nazorat ishi: 1. BC = 3 sm . 2. BC = 12 sm . 3. BOC = 350. 4. 1500. 11. 8. AOD , COB , DOB , AOC . 9. 10 ta, bular: AOE , EOD , DOC , COB , BOA , EOB , EOC , AOC , AOD , BOD . 12. 4. Ha. 7. a) 720; b) 600; c) 500. 10. a) Ha; b) Yo4q; c) Yo4q. 12. a) 900; b) 1800. 13. 5. 450. 6. a) 8 ta; b) 8 ta; c) 8 ta; d) 8 ta. 7. 5 ta o4tkir; 1 ta o4tmas. 10. a) 300; b) 1800; c) 10. 11. a) 0,50; b) 2,50; c) 150. 14. OC nur AOD ning; OD nur COE ning; OE nur DOB ning; OD nur AOB ning bissektri sasi bo4ladi. 14. 2. 1800. 6. a) 1600; b) 1500; c) 1350; d) 900. 7. 450; 1350. 8. a) Yo4q; b) Ha; c) Yo4q. 9. Ha. 10. a) 1400; b) 450; c) 450. 11. a) 400; 1400; b) 550; 1250; c) 180; 1620. 15. 8. 1), 2), 3), 6). 9. Yo4q, kesmalar o4rtasi usta-ust tushmay qolishi mumkin. 16. 2. 1 ta. 3. 900. 6. Istalgancha. 17. 3. 900. 5. OC . 6. 600; 600. 19. 2. 900. 3. 600. 4. Yo4q. 5. Masala 2 ta yechimga ega: z) 150; 2) 650. 6. 150. 9. 6 ta. 10. 4.30 yoki 7.30. 11. AOB =1100, BOC = 700; b) AOB =360, BOC =1440; c) AOB =1120, BOC =680; d) AOB = 1500, BOC =300. 12. 500, 1300, 500, 1300. 20. 2-nazorat ishi: 1. 1060. 2. 600. 3. 480. Javoblar va ko4rsatmalar 156 157 21. 9. a) a, b, d, e, g; b) c, f, h; c) c, f. 22. 4. a) QR ; b) RPQ va RQP ; c) Q yoki PQR ; d) PQR . 6. a) to4g4ri burchakli; b) o4tkir burchakli; c) teng yonli; d) teng tomonli; e) o4tmas burchakli. 23. 6. To4g4ri burchakli uchburchakda. 7. Ha. 8. 3. 9. 9 10. 16. 24. 10. e) D = 350, C = 620. 11. 850. 12. Yo4q. 25. 2. Asosidagi. 3. 10. 4. a =12, b = 8. 10. 8 sm, 8 sm va 11 sm. 26. 4. 4. 11. AC = BD = 7. 27. 6. BAC = KAN, BAN = KAC . 9. 3 ta. 28. 4. Teng tomonli uchburchakda. 5. 10,4 sm . 7. 8 sm . 29. 6. C 1 = 900, A 1 = 300, B 1 = 600. 7. 10 sm , 10 sm . 30. 6-masalalar: 7. Ha. 11. 850. 12. 480. 13. 1200. 31. 3-nazorat ishi: 1. 10. 3. 11 15 3 , 1 3 7 , 1 3 7 . 5-testlar: 1. B; 2. D; 3. B; 4. E; 5. D; 6. A; 7. D; 8. A; 9. B; 10. D; 11. B; 12. B; 13. A; 14. B; 15. D; 16. A. 32. 7. Yo4q, yo4q. 33. 4. 1 = 3 = 5 = 7 = 1170, 4 = 8 = 630. 34. 7. a) Ha; b) Ha; c) Ha; d) Yo4q. 9. 1 tasi kesmasligi mumkin yoki ham masi kesib o4tadi. 35. 6. a) 3 =7 = 1050, 2 = 4 =6 = 8 = 750. 9. Yo4q. 36. 8. 1) to4g4ri; 2) to4g4ri; 3) to4g4ri. 37. 5. 450. 8. 2 =3 = 550. 9. 700, 1100. 12. 600, 1200. 39. 5-masalalar: 1. 550. 2. Ha. 3. Ha 4. 3 = 7 = 1180; 2 = 4 = 6 = 8 = 620. 6. 1280. 11. 590 40. 4-nazorat ishi: 1. 340, 1460, 1460. 3. 480, 1320. Testlar: 1. A; 2. B; 3. A; 4. E; 5. D; 6. D; 7. D; 8. E; 9. B; 10. B; 11. D; 12. E; 13. A; 14. B; 15. E; 16. A. 41. 3. 1 ta. 4. 1 ta. 5. a) mavjud; b) mavjud emas; c) mavjud emas. 7. a) 800; b) 250; c) 450; d) 450. 8. a) 630; b) 900; c) 150. 9. a) 800, 500; b) 300, 600, 900; c) 500, 600, 700. 157 158 42. 3. 600, 450, 750. 4. 300, 1200. 5. 750. 6. 2700. 7. 900. 8. 900. 9. 1100. 10. 600. 11. mumkin bittasi. 12. 3600. 43. 1. 500; 900; 400. 2. 600; 480. 5. mumkin. 6. 5400. 7. 240, 360, 600. 9. a) 300, 300; b) 700, 400 yoki 550, 550. 10. a) 150, 1500; b) 750, 300. 12. 150; 650. 13. 300. 14. 67,50. 17. a) 650; b) 450; 900; 450. 18. a) 790; b) 1000. 19. x =200, y =500. 21. 600. 22. 600, 600, 600. 23. 450, 900, 450. 44. 5. Gipotenuza 300 qarshisidagi katetdan 2 marta katta bo4ladi. 7. a) 4; b) 6; c) 600. 8. a) 5; b) 13,5; c) 9. 9. 8 sm va 16 sm. 45. 4. a) Yo4q; b) yo4q; c) bo4ladi; d) yo4q. 5. a) bo4ladi; b) bo4ladi; c) bo4ladi; d) yo4q; e) yo4q. 7. a) bo4ladi; b) bo4ladi; c) bo4ladi; d) yo4q; e) bo4ladi. 47. 2. 7 sm . 3. 7 sm, 7 sm . 48. 2. Eng kattasi ACB , eng kichigi ABC . 3. a) ABC > BAC > ACB mumkin emas; b) ACB = ABC < BAC mumkin. 4. Asosi, yon tomoni. 5. Yo4q. 6. a) BC > AC > AB ; b) BC < AC < AB . 7. Yo4q, yo4q. 8. 600; 600; 1200; 1200. 9. 0< B < 600. 10. O4tkir burchakli. 12. Gipotenuzasi. 49. 3. Yo4q. 4. a) mavjud; b) yo4q; c) mavjud; d) mavjud. 5. a) 7; b) 10; c) 8 yoki 5. 7. 7; 7; 11. 8. 6 ta. 9. Uchburchak yoki kesma. 51. 5-nazorat ishi: 1. 650. 2. 400,600,800. 3. 12 sm 4. 400,600,800. 4-testlar: 1. B; 2. D; 3. B; 4. B; 5. D; 6. B; 7. B; 8. B; 9. E; 10. A; 11. D; 12. A; 13. D; 14. A; 15. D; 16. D; 17. D; 18. D. 62. 1. 20 sm. 2. 200. 3. 150. 4. 300. 5. 400; 600; 800. 6. 1 : 2. 7. 760. 8. 420. 9. 210, 690. 10. AOB =122,50. 11. 720. 12. 460. 64. 3. O4tkir burchakli. 5. a) 920; b) 420. 6. 6; 6; 6; 600. 8. 450. 10. Kesma. 11. Ha. 12. 9 sm . 15. 1440. 16. 540. 17. 3,6 sm . 19. 4 ta 550 li va 4 ta 1250. 65. 5-Testlar: 1. A; 2. E; 3. D; 4. B; 5. E; 6. A; 7. E; 8. D. 9. B. 10. A. 11. A; 12. D; 13. B; 14. D; 15. E; 16. A; 17. B; 18. E; 19. A; 20. D. 6-Masalalar: 2. 12 sm . 3. 12 sm . 4. 34. 5. 2,8 sm . 6. 830. 7. 15,6 sm . 8. 550. 10. 2 m yoki 16 m . 66. Yakuni nazorat ishi: 1. 810, 990. 2. b) 22 sm . 3. 7 sm . 158 Darslik ijaraga berilib, o‘quv yili yakunida qaytarib olinganda yuqoridagi jadval sinf rahbari tomonidan quyidagi baholash mezonlariga asosan to‘ldiriladi: O‘quvchining ismi va familiyasi O‘quv yili Sinf rahbari- ning imzosi Darslikning topshiril- gandagi holati T/r 1 2 3 4 5 6 Darslikning olingandagi holati Sinf rahbari- ning imzosi Darslikning birinchi marotaba foydalanishga berilgandagi holati. Muqova butun, darslikning asosiy qismidan ajralmagan. Barcha varaqlari mavjud, yirtilmagan, ko‘chmagan, betlarida yozuv va chiziqlar yo‘q. Muqova ezilgan, birmuncha chizilib, chetlari yedirilgan, darslikning asosiy qismidan ajralish holati bor, foydalanuvchi tomonidan qoniqarli ta’mirlangan. Ko‘chgan varaqlari qayta ta’mirlangan, ayrim betlariga chizilgan. Muqovaga chizilgan, yirtilgan, asosiy qismdan ajralgan yoki butunlay yo‘q, qoniqarsiz ta’mirlangan. Betlari yirtilgan, varaqlari yetishmaydi, chizib, bo‘yab tashlangan. Darslikni tiklab bo‘lmaydi. Yangi Yaxshi Qoniqarli Qoniqarsiz Ijaraga berilgan darslik holatini ko‘rsatuvchi jadval Download 4.22 Kb. Do'stlaringiz bilan baham: 
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