Matematika 106/4


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va ga, ular orasidagi burchagi ga teng ixtiyoriy qavariq to’rtburchakning yuzi formula bilan hisoblanadi;
5) o’xshash figuralar yuzlarining nisbati ularning mos chiziqli o’lchovlarining nisbatiga teng;
A) 1;3;5 B) 2;3;4 C) 1;3;4 D) 3;4;5 E) 2;4;5

  • Tekistlikka tushirilgan og’ma va perpendikulyar orasidagi burchak ga teng. Og’maning uzunligi 13 ga teng. Perpendikulyarning uzunligini toping.
    A) B) 5 C) D) 6 E) 12

  • nuqta vektorning oxiri bo’lsa, bu vector boshining koordinatalari toping.
    A) (6;-1;1) B) (-6;-1;1) C) (-6;1;1) D) (6;-1;-1)
    E) (6;1;1)

  • Piramidaning asosi tomonlari 6 va 8 ga teng bo’lgan to’g’ri to’rtburchakdan iborat. Piramidaning har bir yon qirrasi ga teng bo’lsa, uning balandligini toping.
    A) 100 B) 20 C) 5 D) 25 E) 10

  • Quyidagi tasdiqlarning qaysilari to’g’ri?
    1)konusning hajmi asosining yuzi bilan balandligi ko’paytmasining uchdan biriga teng.;
    2) ikkita o’xshash jism hajmlarining nisbati ularning mos chiziqli o’lchovlari kvadratlarining nisbatiga teng;
    3) silindrning hajmi asosining yuzi bilan balandligi ko’paytmasiga teng;
    4) sharning hajmi ga teng;
    5) shar segmentining hajmi ga teng (-shar segmentining balandligi,
    -sharning radiusi);
    A) 2;3;5 B) 1;4;5 C) 1;3;4 D) 1;2;3 E) 1;3;5

  • ning qiymatini aniqlang.
    A) -2 B) C) 2 D) 4 E)

  • Quyidagi formulalarning qaysilari to’g’ri?
    1)
    2) ,
    3)
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