Pifagor teoremasining ba'zi tatbiqlari — 8-sinf Geometriya test savollari

1.Tomonlari 13 dm, 14 dm, 15 dm bo'lgan uchburchakning 15 dm li tomoniga tushirilgan balandligini toping.

• A)11,2 dm
• B)16,8 dm
• C)8,4 dm
• D)14 dm

2.Katetlari 6 sm va 8 sm bo'lgan to'g'ri burchakli uchburchakning gipotenuzaga tushirilgan balandligini toping.

• A)4,8 sm
• B)7 sm
• C)3,5 sm
• D)6 sm

3.Teng tomonli uchburchakning tomoni 12 sm bo'lsa, uning balandligini toping.

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

4.Teng tomonli uchburchakning balandligi 6 sm bo'lsa, uning tomonini toping.

• A)4√3 sm
• B)6√3 sm
• C)2√3 sm
• D)12 sm

5.Katetlari 16 sm va 12 sm bo'lgan to'g'ri burchakli uchburchakning gipotenuzaga tushirilgan balandligini toping.

• A)9,6 sm
• B)14 sm
• C)6 sm
• D)20 sm

6.Uchburchakning tomonlari 5 sm, 7 sm, 6 sm. Uning 7 sm li (eng katta) tomoniga tushirilgan balandligini toping.

• A)12√$\frac{6}{7}$ sm
• B)6√$\frac{6}{7}$ sm
• C)12√6 sm
• D)√6 sm

7.To'g'ri burchakli uchburchakda gipotenuzaga tushirilgan balandlik (h) katetlar (a, b) va gipotenuza (c) orqali qanday formula bilan topiladi?

• A)h = a×b / c
• B)$h=\frac{a+b}{c}$
• C)$h=\frac{a+b}{2}$
• D)h = √(a×b)

8.ABC uchburchakda ÐC=90°, AC=9 sm, $BC$=12 sm, AB=15 sm. C uchidan AB gipotenuzaga tushirilgan balandlikni toping.

• A)7,2 sm
• B)10,5 sm
• C)4,5 sm
• D)15 sm

9.To'g'ri to'rtburchakning tomonlari 2,4 dm va 7 sm. Uning diagonalini toping.

• A)2,5 dm
• B)3,1 dm
• C)1,7 dm
• D)0,17 dm

10.To'g'ri to'rtburchakning tomonlari 50 sm va 12 dm. Uning diagonalini toping.

• A)13 dm
• B)17 dm
• C)7 dm
• D)8,5 dm