Sinuslar teoremasi — 9-sinf Geometriya test savollari

1.Uchburchakda a = 12 sm, A = 45°, B = 60°. b tomonni toping.

• A)14 sm
• B)12√3 sm
• C)6√6 sm
• D)6√3 sm

2.Uchburchakda A = 120°, a = 14 sm. Tashqi chizilgan aylana radiusini toping.

• A)7√3 sm
• B)7 sm
• C)14 sm
• D)14√$\frac{3}{3}$ sm

3.Uchburchakda a = 10 sm, A = 30°, B = 45°. b tomonni toping.

• A)5√2 sm
• B)14 sm
• C)20 sm
• D)10√2 sm

4.Uchburchakda A = 30°, B = 90°, a = 5 sm. Gipotenuza c ni toping.

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

5.Uchburchakda a = 14 sm, A = 45°. Tashqi chizilgan aylana radiusini toping.

• A)7√2 sm
• B)7 sm
• C)14 sm
• D)14√2 sm

6.Uchburchakda a = 8 sm, A = 30°. Tashqi chizilgan aylana radiusini toping.

• A)4 sm
• B)16 sm
• C)8 sm
• D)4√3 sm

7.Uchburchakning tashqi chizilgan aylana radiusi 5 sm. Bir tomoni qarshisidagi burchak 30° bo‘lsa, shu tomonni toping.

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

8.Uchburchakda a = 7 sm, A = 90°. Tashqi chizilgan aylana radiusini toping.

• A)7 sm
• B)14 sm
• C)3,5 sm
• D)3 sm

9.Uchburchakda a = 6 sm, b = 6√3 sm, A = 30°. sinB ni toping.

• A)√$\frac{3}{2}$
• B)√3
• C)$\frac{1}{2}$
• D)1

10.Uchburchakda a = 6 sm, b = 8 sm, A = 30°. sinB ni toping.

• A)$\frac{2}{3}$
• B)$\frac{3}{4}$
• C)$\frac{4}{3}$
• D)$\frac{1}{2}$