# Tekshirdi 3-nazorat ishi

Bog'liq
11 geometriya nazorat ishi daftari
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Tekshirdi

3-nazorat ishi
Sana ­­­­­­­­­­­­­­­­­­­­­­­­–––––––––––––––––––––––––––––––––––

1. Uchburchakli o’gma prizma yon qirralari orasidagi masofalar, mos ravishda, 7cm, 15 cm, va 20 cm. Prizmaning eng katta yuzli yon yog’idan uning qarshisidagi yon qirrasigacha bo’lgan masofani toping.

2. Chiziqli burchagi 600 ga teng bo’lgan ikkiyoqli burchakning yoqlarida yotgan A va B nuqtalardan uning qirrasiga AA1 va BB1 perpendikular tushirilgan. Agar AA1=12, BB1=10 va A1B1=13 bo’lsa, AB kesma uzunligini toping.

3. To’g’ri parallelepiped asosining tomonlari a va b gat eng bo’lib, ular o’zaro 300 li burchak tashkil qiladi. Agar parallelepipedning yon sirti S ga teng bo’lsa, uning hajmini toping.

4. To’g’ri burchakli parallelepiped yog’ining yuzi 12 ga va unga perpendicular qirra uzunligi 12 ga teng. Parallelepipedning hajmini toping.

5. Parallelepipedning hajmini qoidasini va formulasini yozing.

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