Berilgan nuqtadan berilgan to4g4ri chiziqqa parallel qilib nechta to4g4ri chiziq o4tkazish mumkin?

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Javob

1. 
   Berilgan nuqtadan berilgan to4g4ri chiziqqa parallel qilib nechta to4g4ri chiziq o4tkazish mumkin?
   
   1. 
      1; B) 2; D) 3; E) 4.
      
2. 
   Yoyiq burchak necha gradusga teng?
   
   1. 
      900; B) 900 dan katta; D) 900 dan kichik; E) 1800.
      
3. 
   Agar ABC uchburchakda B = 300, C = 900 va AC = 10 sm bo4lsa, AB gipo tenuzasini toping.
   
   1. 
      10 sm; B) 12 sm; D) 15 sm; E) 20 sm.
      
4. 
   ABC uchburchakda AB = BC, AB = AC + 7 (sm). Agar ABC uchburchak perimetri 23 sm bo4lsa, uchburchakning kichik tomonini toping. A) 3 sm; B) 5 sm; D) 7 sm; E) 9 sm.
   
5. 
   Qo’shni burchaklardan biri ikkinchisidan uch marta katta. Bu burchaklar ayirmasini toping. A) 450; B) 600 ; D) 750; E) 900.
   
6. 
   Aylananing radiusi 3,2 sm. Uning diametrini toping.
   
   1. 
      3,2; B) 5,2; D) 6,4; E) 1,6.
      
7. 
   ABC # to4g4ri burchakli uchburchak (3-rasm), C = 900, CD # mediana. BDC = 1300 bo4lsa, A ni toping.
   
   1. 
      450; B) 650; D) 750; E) 850.
      
8. 
   ABC # teng yonli uchburchakning uchidagi B burchagi 800 ga teng. Uning A uchidagi tashqi burchagini toping.
   
   1. 
      1300; B) 1200; D) 1100; E) 1000.
      
9. 
   Agar a  b, b  c, c  d bo4lsa, quyidagi javoblardan qaysi biri to4g4ri?
   
   1. 
      a||c; B) bd;
      

D) a||d; E) b||c.

10. 
    Agar 4-rasmda AO = OB, OC = OD, BC = 5sm va AO + OC = 7 sm bo4lsa, AOD uchburchak perimetrini toping.
    
    1. 
       5 sm; B) 7 sm;
       

D) 12 sm; E) 17 sm.

11. 
    Agar 5-rasmda a||b va b||c bo4lsa, x =?
    
    1. 
       600; B) 700; D) 800; E) 900.
       
12. 
    ABC uchburchakda A = 500 va B = 700 bo4lsa, uning katta tomonini aniqlang.
    
    1. 
       AB; B) BC; D) AC;
       

E) aniqlab bo4lmaydi.

13. 
    Agar 6-rasmda O # aylana markazi, AO = 4 sm bo4lsa, BC kesma uzunligini toping.
    
    1. 
       4 sm; B) 5 sm; D) 2 sm; E) 8 sm.
       

14*. 7-rasmda tasvirlangan uchburchakning kichik burchagini toping.
A) 300; B) 450; D) 600; E) 900.