Matematika 106/4


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Bog'liq
2004 variant

formula bilan hisoblanadi;
5) o’xshash figuralar yuzlarining nisbati ularning mos chiziqli o’lchovlari kvadratlarining nisbatiga teng.
A) 2;3;5 B) 1;2;5 C) 2;3;4 D) 3;4;5 E) 1;3;5

  • Tekistlikka tushirilgan og’maning uzunligi 25 ga, uning tekistlikdagi proyeksiyasi esa 24 ga teng. Og’ma va tekistlik orasidagi burchakni toping.
    A) B) C)
    D) E)

  • Quyidagilardan qaysi biri tekistlikka nisbatan nuqtaga simmetrik bo’lgan nuqta?
    A) (7;3;-1) B) (-7;-3;-1) C) (-7;3;1)
    D) (7;-3;-1) E) (-7;3;-1)

  • To’rtburchakli muntazam piramida asosining tomoni 2 marta kichiklashtirildi.
    Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
    A) 4:1 B) 1:2 C) 1:1 D) 1:4 E) 2:1

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

  • ni soddalashtiring.
    A) B) C)
    D) E)

  • Quyidagi formulalarning qaysilari to'g'ri?
    1)
    2)
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