4-chorak. Test 9-sinf. Parabola uchining koordinatasini ayting

D) 29

19. 
    Radiusi 10 sm aylana uzunligin toping.
    

1. 
   B) C) D)
   

20. 
    Trapetsiyaning o’rta chizig’i 9 sm, asoslaridan biri ikkinchisidan 6 sm qisqa. Trapetsiyaning katta asosini toping.
    

1. 
   6 sm B) 8 sm C) 10 sm D) 12 sm
   

21. 
    Agar bo’lsa, quyidagilardan qaysi musbat?
    

1. 
   B) C) D)
   

22. 
    bo’lgan o’tkir burchakni toping.
    

1. 
   30˚ B) 45˚ C) 90˚ D) 60˚
   

23. 
    bo’lgan o’tkir burchakni toping.
    

1. 
   30˚ B) 45˚ C) 90˚ D) 60˚
   

24. 
    Ifodani soddalashtiring: ()()
    
25. 
    Agar bo’lsa, nimaga teng?