Teng yonli uchburchakning asosiga tushirigan balandligi va yon tomoni orasidagi burchak 25° bo’lsa asosidagi burchakni toping!

Geometry

1. 
   Teng yonli uchburchakning asosiga tushirigan balandligi va yon tomoni orasidagi burchak 25° bo’lsa asosidagi burchakni toping!
   

A)45° B)55° C)60° D)65°

2. 
   Uchburchak perimetri 25 ga teng. Agar uchburchak asosiga tushurilgan mediana perimetrlari 20 va 10 ga teng bo’lgan ikkita uchbuchakka ajratsa, mediana uzunligini toping.
   

A)2,5 B)5 C)7,5 D)10

3. 
   To’g’ri burchakli uchburchak gipotenuzasi 20ga, bitta kateti esa12ga eng bo’lsa, gipotenuzaga tushirilgan balandlikni toping.
   

A)6,7 B)9,8 C)10 D)10,5

4. 
   Tomoni 2ga teng bo’lgan ikkita kvadrat va tomonlari 4 va 3 ga teng bo’lgan tog’ri to’rtburchak yordamida boshqa bir to’g’ri to’rtburchak hosil qilindi. Yangi to’g’ri to’rtburchakni yuzini toing.
   

A)18 B)20 C)25 D)50

5. 
   ABC uchburchak berilgan. Agar B burchak 60° ga teng, AB tomon 4ga BC tomon 3 ga teng bo’lsa, AC tomonni toping!
   

A)3 B)3,2 C) D)

6. 
   Quyidagi rasmdagi malumotlarga asoslangan holatda α burchakni toping!
   

A)30° B)45° C)60° D)75°

7. 
   Juftliklar to’gri berilgan javobni belgilang.
   

1)uchburchak medianasini topish formulasi
2)uchburchak bissektrisasini topish formulasi
3)tog’ri burchakli uchburchak uchun formula
a)
b)
c)
A)1-b; 2-c; 3-a B)1-c; 2-b; 3-a
C)1-c; 2-a; 3-b C)1-a; 2-c; 3-b

8. 
   Tog’ri tortburchak dioganallari 12ga va ularorasidai o’tkir burchak 30° ga teng bo’lsa, uning yuzini aniqlang.
   

A)24 B)30 C)32 D)36

9. 
   Kvadrat tomoni 2ga teng bo’lsa uning dioganali nechaga teng bo’ladi?
   

A)4 B)2 C)2 D)

10. 
    Tomonlari 4 va 6 ga teng bo’lgan to’g’ri to’rtburchakni tomoni 2ga teng bo’lgan nechta kvadratga ajratish mumkin?
    

A) 4ta B)5ta C)6ta D)8ta

11. 
    Ihtiyoriy uchburchak burchaklari 6:8:10:12 nisbatda bo’lsa, eng kichik burchakni toping.
    

A)24° B)36° C)54° D)60°

12. 
    Romb dioganallari orasidagi burchak doim … ga teng.
    

A)45° B)60° C)90° D)har doim har xil

13. 
    Rombning tomoni 20ga tomonlari nisbati bo’lsa, katta dioganalni toping.
    

A)10 B) C)10 D)5

14. 
    Dioganallari 10 va 12 ga teng bo’lgan rombning yuzini toping!
    

A)120 B)60 C)50 D)30

15. 
    Rombning tomoni 5ga bitta o’tkir burchagi 30°ga teng bo’lsa uni yuzini toping.
    

A)10 B)10,5 C)12 D)12,5

16. 
    Parallelogramning katta burchagi 105° ga teng bo’lsa kichik burchagini toping.
    

A)50° B)75° C)100° D)125°

17. 
    Dioganallari 12 va 16, ular orasidagi burchagi esa 60° ga teng bo’lgan parallelogramning yuzini toping.
    

A)48 B)96 C)126 D)218

18. 
    Qaysi geometric shaklda barcha tomonlari o’zaro teng bo’ladi.
    

1) kvadrat 2) to’g’ri to’rtburchak 3) romb 4) parallelogram 5) ihtiyoriy uchburchak
A)1; 2; 3; 4 B)2; 3; 4 C)1; 3 D)1; 3; 5

19. 
    Qaysi geometric shaklda qarama qarshi tomonlari o’zaro teng va parallel bo’ladi?
    

1) kvadrat 2) to’g’ri to’rtburchak 3) romb 4) parallelogram 5) ihtiyoriy uchburchak
A)1; 2; 3; 4 B)1; 2; 4 C)1; 3 D)1; 3; 5

20. 
    To’rtburchaklarda pifagor teoremasini qanday qo’llash mumkin?
    

A)bitta dioganal o’tkizib uchburchakni ajratib olib
B)tomonga balandlik tushirib uchburchakni ajratib olib
C)ikkita dioganal o’tkizib uchburchaklardan birini olib
D)teoremani qo’llab bo’lmaydi

___________