Uchburchaklar va to‘rtburchaklar — 9-sinf Geometriya test savollari

1.Uchburchakning ikkita burchagi 42° va 67° ga teng. Uchinchi burchakka tutash tashqi burchakni toping.

• A)109°
• B)101°
• C)138°
• D)71°

2.Uchburchak tomonlaridan ikkitasi 5 sm va 7 sm. Uchinchi tomon butun santimetrlarda berilgan bo‘lsa, u nechta xil qiymat qabul qilishi mumkin?

• A)9
• B)11
• C)10
• D)8

3.Rombning tomoni 5 sm, burchaklaridan biri 60° ga teng. Rombning kichik diagonalini toping.

• A)5√3 sm
• B)5 sm
• C)10 sm
• D)2,5 sm

4.Parallelogramning bir burchagi ikkinchisidan 30° katta. Parallelogramning kichik burchagini toping.

• A)105°
• B)90°
• C)60°
• D)75°

5.Romb diagonallari 6 sm va 8 sm. Rombning tomonini toping.

• A)7 sm
• B)5 sm
• C)10 sm
• D)4 sm

6.Kvadratning diagonali 10√2 sm ga teng. Kvadratning yuzini toping.

• A)50 sm²
• B)200 sm²
• C)100 sm²
• D)142 sm²

7.To‘g‘ri to‘rtburchakning tomonlari 6 sm va 8 sm. Uning diagonalini toping.

• A)10 sm
• B)48 sm
• C)7 sm
• D)14 sm

8.Uchburchak burchaklari nisbati 2:3:4 kabi. Uchburchakning eng katta burchagini toping.

• A)60°
• B)80°
• C)100°
• D)90°

9.Teng yonli uchburchakning asosidagi burchagi 50°. Uning uchidagi burchagini toping.

• A)50°
• B)100°
• C)80°
• D)65°

10.Parallelogramning perimetri 36 sm, bir tomoni ikkinchisidan 2 marta katta. Kichik tomonini toping.

• A)12 sm
• B)6 sm
• C)9 sm
• D)18 sm