Uchburchaklarni yechish — 9-sinf Geometriya test savollari

1.A = 30°, C = 90°, a = 5 sm (A ga qarshi tomon). c (gipotenuza) ni toping.

• A)5√3 sm
• B)10 sm
• C)5√2 sm
• D)15 sm

2.Uchburchakda (A = 30°, C = 90°, a = 5 sm) b tomonni toping.

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

3.Uchburchakda a = 7 sm, b = 9 sm, c = 12 sm. Uchburchakning turini aniqlang.

• A)O‘tmas burchakli
• B)To‘g‘ri burchakli
• C)O‘tkir burchakli
• D)Teng yonli

4.Uchburchakda a = 9 sm, b = 10 sm, c = 11 sm. Uchburchakning turini aniqlang.

• A)Aniqlab bo‘lmaydi
• B)To‘g‘ri burchakli
• C)O‘tmas burchakli
• D)O‘tkir burchakli

5.A = 90°, a = 13 sm (gipotenuza), b = 5 sm. c tomonni toping.

• A)8 sm
• B)12 sm
• C)144 sm
• D)18 sm

6.Uchburchakda (A = 90°, a = 13, b = 5, c = 12) sinB ni toping.

• A)$\frac{5}{12}$
• B)$\frac{5}{13}$
• C)$\frac{12}{5}$
• D)$\frac{12}{13}$

7.A = 30°, B = 60°, C ni toping.

• A)70°
• B)65°
• C)90°
• D)50°

8.Uchburchakda a = 6 sm, b = 8 sm, c = 10 sm. Uchburchakning turini aniqlang.

• A)O‘tmas burchakli
• B)Muntazam
• C)To‘g‘ri burchakli
• D)O‘tkir burchakli

9.Teng tomonli uchburchakda barcha burchaklar nechaga teng?

• A)60°
• B)72°
• C)45°
• D)90°

10.Uchburchakda a = 6 sm, b = 8 sm, C = 90°. c tomonni toping.

• A)10 sm
• B)2 sm
• C)48 sm
• D)14 sm