1-mavzu: Chiziqlar. O‘rganishtushunchalari:“nuqta”,“to‘g‘ri”,“egrichiziq”,“siniq


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Nazorat uchun mustаqil mаshiqlar

    1. Ikki qo’shni burchakning ayirmasi24o ga teng. Shu burchaklardan kichigini toping.

    2. Ikki to’g’richiziqning kesishishidan hosil bo’lgan burchaklarning kattaliklari nisbati 7 : 3 ga teng. Shuburchaklardankichiginitoping.

    3. Qo’shniburchaklardan biri ikkinchisidan 32oga katta. Shu burchaklardan kattasini toping.

    4. Ikki to’g’ri chiziqning sishishidan hosilbo’lganburchaklarningnisbati5 : 4 gateng. Shuburchaklardankichiginitoping.

    5. Ikkitato’g’richiziqningkesishishidanhosilbo’lganburchaklardan 3 tasiningyig’indisi 200o. Ularningkattasikichigidannechafoizortiq?

    6. Uzunligi4,2gatengkesmani3:4kabinisbatdabo’ling.

    7. Berilganburchakvaungaqo’shnibo’lganikkitaburchaklaryig’indisi300ogateng. Berilganburchakningkattaliginitoping.

    8. O’zigaqo’shnibo’lganburchakning 7/18 qismigatengburchakni toping.

    9. AB vaCD to’g’richiziqlar O nuqtadakesishadi.AODvaCOBburchaklarningyig’indisi 230ogateng. AOC burchaknitoping.

    10. A vaB nuqtalarorasidagimasofa 500 metrga,BvaCnuqtalarorasidagimasofaesa300 metrgateng. A vaC nuqtalarorasidagimasofaqanchagateng?

    11. Ikkito’g’richiziqningkesishishidanhosilbo’lganqo’shniburchaklarninggraduso’lchovlari2 : 3 nisbatdabo’lsa, shuburchaklarni toping.

    12. Qo’shniburchaklardanbiriikkinchisidan16okatta. Shuqo’shniburchaklarnitoping.

    13. Ikkitato’g’richiziqningkesishishidanhosilbo’lganuchtaburchakningyig’indisi 315ogateng. Shuburchaklardankichiginitoping.

    14. Birnuqtadanuchtato’g’richiziqo’tkazilan. Hosilbo’lgan 6 ta burchakningo’zarovertikalbo’lmaganuchtasiα, β, γgateng. α+β +γnitoping.

    15. A vaB nuqtalarorasidagimasofa 600 metrga,BvaCnuqtalarorasidagimasofaesa400 metrgateng. A vaC nuqtalarorasidagimasofaqanchagateng?

    16. Uzunligi11,2gatengkesmani3:4kabinisbatdabo’ling.

    17. O’zigaqo’shniburchakning56%igatengbo’lganburchakningkattaliginianiqlang.

    18. Ikkito’g’richiziqningkesishishidanhosilbo’lganqo’shniburchaklar5 : 8 nisbatdabo’lsa, shuburchaklarnitoping.

    19. Ikkitato’g’richiziqningkesishishidanhosilbo’lganuchtaburchakningyig’indisi 240ogateng. Shuburchaklardankichiginitoping.

    20. Soatningminutmili 6 minutdanechagradusgaburiladi?

    21. Ikkito’g’richiziqningkesishishidanhosilbo’lganburchaklarningkattaliklarinisbati7 : 9 gateng. Shuburchaklardankichiginitoping.

    22. Burchakningbissektrisasiuningtomonibilan 25oli burchaktashkiletsa, burchakningo’zinitoping.

    23. Burchakningbissektrisasiuningtomonibilan 45oli burchaktashkiletsa, burchakningo’zinitoping.

    24. Ikkiqo’shniburchakningayirmasi44ogateng. Shuburchaklardankichiginitoping.

    25. Birnuqtadanuchtato’g’richiziqo’tkazilgan. Hosilbo’lgan 6 ta burchakningo’zarovertikalbo’lmaganuchtasiα, β, γgateng. α+β +γnitoping.

    26. Uchburchakningbirinchitomonix(x>5)sm,ikkinchitomoniundan3smqisqa,uchunchitomoniesabirinchisidan2smuzun.Shuuchburchakningperimetrinitoping.

    27. ABC tengyonliuchburchakdaAB = BC, AB AC = 3dm, perimetri 18 dm. AB+AC nechadmbo’ladi?

    28. Uchburchakningikkitatomoni 0,8 va1,9gateng.Uchinchitomonninguzunligibutun sonekanliginibilganholdashutomonnitoping.

    29. Tengyonli ABC uchburchakdaAvaC burchaklarteng. AB : AC = 5 : 3 vaAB AC = 3 gateng. Uchburchakningperimetrinitoping.

    30. Agar uchburchakningtomonlariturlibutunsonlarbo’lib, uningperimetri 15 gatengbo’lsa, tomonlarinianiqlang.

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