idc test kitobi geo

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346 pages

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mundarija 1. burchaklar va masofalar.......................................................................................................... 4 2. parallel to’g’ri chiziqlarda burchaklar........................................................................................................... 12 3. uchburchakda burchaklar......................... 21 4. uchburchak tengsizligi..................................................................................................................................... 33 5. to’g’ri burchakli uchburchak.......................................................................................................................... 41 6. sinuslar va kosinuslar teoremasi..................................................................................................................... 53 7. uchburchak yuzi. 1-qism............................................................................................................................... 65 8. uchburchak bissektrisasi va uning xossalari................................................................................................. 81 9. uchburchak medianasi va uning xossalari................................................................................................. 89 10. uchburchaklar o’xshashligi.......................................................................................................... 97 11. uchburchak yuzi. 2-qism.....................................................................................................................................111 12. to’rtburchaklar....................................................................................................................................................124 13. romb va uning xossalari.....................................................................................................................................136 14. parallelogramm va uning xossalari.................................................

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...................... 144 15. trapetsiya..............................................................................................................................................................156 16. trapetsiya yuzi....................................................................................................................................................164 17. ko’pburchaklar....................................................................................................................................................172 18. aylana va doira....................................................................................................................................................180 19. aylanada burchaklar..........................................................................................................................................188 20. vatar, urinma va kesuvchining xossalari........................................................................................................... 196 21. uchburchakka ichki chizilgan aylana................................................................................................................ 204 22. uchburchakka tashqi chizilgan aylana................................................................................................................ 212 23. to’rtburchak va aylana.......................................................................................................... 220 24. trapetsiya va aylana..........................................................................................................................................229 25. ko’pburchak va aylana............................................................................................................... 237 26. koordinatalar sistemasi.................................................................................................................................... 241 27. vektorlar...............................

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...............................................................................................................................247 28. to’g’ri chiziq va aylana tenglamasi............................................................................ 257 29. aralash bo’lim....................................................................................................................................................263 30. fazoda to’g’ri chiziq va tekisliklar..................................................................................................................... 278 31. kub........................................................................................................................................................................283 32. to’g’ri burchakli parallelepiped.......................................................................................................................... 286 33. parallelepiped.........................................................................................................................................................290 34. prizma........................................................................................................................................................ • • 294 35. piramida..............................................................................................................................................................298 36. silindr...................................................................................................................................................................312 37. konus............................................................................................................... 316 38. shar........................................................................................................................................................................323 39. jismlarning kombinatsiyalari........................................

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....................................................................................... 327 40. eng katta va eng kichik qiymat topishga oid geometrik masalalar............................................................. 339 javoblar 347 c^cccccccccccccccccccccccccccccccccccc 1-test 1. burchaklar va masofalar 1. burchaklar va masofalar j~j~] uzunligi 20 ga teng bo'lgan kesma 2:3:5 nisbatda uch bo'lakka bo’lingan. bu bo'laklardan kichigining uzunligi qanchaga teng?. a)3 b)4 c)5 d) 6 [¥] z.aoc = 84° bo’lsa, x ning qiymatini toping. a)25° b)26° c)27° d)28° [>] qo’shni burchaklardan biri ikkinchisining - qismini tashkil qiladi. ularning musbat ayirmasini toping. a) 20° b)36° c)30° d)54° rjl to’g’ri burchakning - qismi necha gradusni tashkil etadi? a)45° b)60° c)75° d)80° m burchakning bissektrisasi uning tomoni bilan 36° li burchak tashkil qiladi. burchakning o’zi necha gradus? a)18° b)72° c)108° d)144° ©intelligence development center(t.me/idcuz) ccccccccc€ccec€cc€€c€€c€ccc€c€cccc€c 1. burchaklar va masofalar 1-test [s] soatning minut mili 4 minutda necha gradusga buriladi? a)16° b)24° c)40° d)60° py] ikkita to’g’ri chiziq kesishishidan hosil bo’lgan burchaklar ayirmasi 40° ga teng. bu burchaklarning kattasini toping. …

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: 5 114] yoyiq burchakning — qismi necha gradusni tashkil qiladi? a)84° b)91° c)105° d)98° | | a,b,c nuqtalar ko’rsatilgan tartibda, bir to’g’ri chiziqda yotadi. agar ab=20, bc=30 bo’lsa, ac ning uzunligini toping. a)10 b)50 c)10 yoki 50 d)20 6 @intelligence development center(t.me/ideuz) s 1. burchaklar va masofalar 1-test ikki to’g’ri chiziq kesishishidan hosil bo’lgan vertikal burchaklardan ikkitasining yig’indisi 246 ga teng bo’lsa, bu burchaklarga qo’shni burchak kattaligini toping. a)67° b)57° c)54° d)47° soatning soat mili 48 minutda necha gradus buriladi? a)18° b)24° c)32° d)36° ob va od to’g’ri chiziqlar mos ravishda z.aoc va z^cof ning bissektrisasi. z.aof — 108 bo isa, z.bod ning qiymatini toping. a)48° b)54° c)60° d)64° 2| j o’ziga qo’shni burchakning - qismiga teng burchak necha gradus? a)(^)° b)20° c)40° d)70° a,b,c nuqtalar bir to'g'ri chiziqda yotadi. agar ac=15, ab=8 bo'lsa, bc ning uzunligini toping. a)7 b)23 c)23 yoki 7 d)8 i_ (c)intelligence development center(t.me/idcuz)____________ ____________ …

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mundarija 1. burchaklar va masofalar.......................................................................................................... 4 2. parallel to’g’ri chiziqlarda burchaklar........................................................................................................... 12 3. uchburchakda burchaklar......................... 21 4. uchburchak tengsizligi..................................................................................................................................... 33 5. to’g’ri burchakli uchburchak.......................................................................................................................... 41 6. sinuslar va kosinuslar teoremasi................................................................................................

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