9-sonli umumiy o’rta maktabi sinf o’quvchisi

Tekshirdi D. Qaxxorov


4-nazorat ishi


Sana ­­­­­­­­­­­­­­­­­­­­­­­­_{–––––––––––––––––––––––––––––––––––}

1. 
   ( Uchburchakni berilgan ikki tomoni va ular orasidagi burchagi bo’yicha yechish). Agar uchburchakda a=6, b=4 =120 bo’lsa, uning uchunchi tomon va qolgan burchaklarini toping.
   

2. 
   Tomonlari a=5, b=6, c=10 bo’lgan uchburchakka tashqi chizilgan aylana radiusini toping.
   

3. 
   ABC uchburchakda AB=6 sm, AC=7 sm, A burchak =60. BC tomonni toping
   

4. 
   Aylanaga tashqi chizilgan to’rtburchakning yuzi 21sm² ga, perimetri esa 7 sm gat eng. Aylana radiusini toping.
   

5. 
   Aylana uzunligi va doira, aylanaga chizilgan ko’pburchak haqida nimalar bilasiz.
   

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Savol №	1	2	3	4	5	Qo’shimcha savol	Jami ball
Ball