Trapetsiyaning diagonallari perpendikulyar bo'lib, birining uzunligi 6. Trapetsiyaning asoslari o'rtalarini tutashtiruvchi kesmaning uzunligi 4.5 bo'lsa, trapetsiyaning yuzini toping.

Geometriya

Quiz
•
Mathematics
•
11th Grade
•
Hard
Abdugʻani Xolmatjonov
Used 3+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
900kg rudada temir bor. Undan 40% temiri bo'lgan aralashma ajratib olinganda, qolgani 500kg bo'ldi. Qotishmada temir konsentratsiyasi 10% ga kamaydi. Rudada necha kg temir bor.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tengsizlikni isbotlang. √ab ≥ 2/(1/a+1/b)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sinuslar teoremasini isbotlang.
Sinus teoremasi aylana radiusini ifodalaydi.
Sinus teoremasi to'rtburchakning maydonini ifodalaydi.
Sinus teoremasi aylananing aylanasini ifodalaydi.
Sinus teoremasi uchburchakning tomonlari va burchaklari orasidagi munosabatni ifodalaydi.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Umumiy hadining formulasi ak=(2k+1)/2k bo'lgan ketma-ketlikning dastlabki yuzta hadining yig'indisini hisoblang.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quyidagilardan qaysi biri silindr formulasi
2πRH
2πR2H
2πR(R+H)
2πR2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silindr o'q kesimi kvadrat bo'lsa quyidagilardan qaysi biri to'g'ri?
H=R
R=3H
R=2H
H=2R
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O'q kesimi yuzi 16 , H=8 bo'lsa , asos yuzini toping?
2π
9π
4π
16π
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tomonlari 3 va 4 bo'lgan to'g'ri to'rtburchak eng katta tomoni atrofida aylanishidan hosil bo'lgan jismning to'la sirtini toping?
56π
48π
36π
54π
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