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

Nazorat uchun mustаqil mаshiqlar

1. 
   Ikki qo’shni burchakning ayirmasi24^o 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 32^oga 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 200^o. Ularningkattasikichigidannechafoizortiq?
   
6. 
   Uzunligi4,2gatengkesmani3:4kabinisbatdabo’ling.
   
7. 
   Berilganburchakvaungaqo’shnibo’lganikkitaburchaklaryig’indisi300^ogateng. Berilganburchakningkattaliginitoping.
   
8. 
   O’zigaqo’shnibo’lganburchakning 7/18 qismigatengburchakni toping.
   
9. 
   AB vaCD to’g’richiziqlar O nuqtadakesishadi.AODvaCOBburchaklarningyig’indisi 230^ogateng. 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’shniburchaklardanbiriikkinchisidan16^okatta. Shuqo’shniburchaklarnitoping.
    
13. 
    Ikkitato’g’richiziqningkesishishidanhosilbo’lganuchtaburchakningyig’indisi 315^ogateng. 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 240^ogateng. Shuburchaklardankichiginitoping.
    
20. 
    Soatningminutmili 6 minutdanechagradusgaburiladi?
    
21. 
    Ikkito’g’richiziqningkesishishidanhosilbo’lganburchaklarningkattaliklarinisbati7 : 9 gateng. Shuburchaklardankichiginitoping.
    
22. 
    Burchakningbissektrisasiuningtomonibilan 25^oli burchaktashkiletsa, burchakningo’zinitoping.
    
23. 
    Burchakningbissektrisasiuningtomonibilan 45^oli burchaktashkiletsa, burchakningo’zinitoping.
    
24. 
    Ikkiqo’shniburchakningayirmasi44^ogateng. 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.