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’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 og’ma va perpendikulyar tushirilgan. Og’ma va tekistlik orasidagi burchak ga, og’maning tekistlikdagi proyeksiyasi 24 ga teng. Perpendikulyarning uzunligini toping.
    A) B) 16 C) D) 32 C) 18

  • tekistligiga nisbatan (1;2;3) nuqtaga simmetrik bo’lgan nuqtani toping.
    A) (1;2;-3) B) (-1;-2;-3) C) (-1;2;3)
    D) (1;-2;3) E) (-1;-2;3)

  • To'g'ri burchakli piramida asosining tomoni 4 marta kichiklashtirildi. Xosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
    A) 1:1 B) 4:1 C) 1:16 D) 1:4 E) 16:1

  • Quyidagi tasdiqlarning qaysilari to’g’ri?
    1) piramidaning hajmi aosining yuzi bilan balandligi ko’paytmasining uchdan biriga 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) 1;3;5 B) 1;2;5 C) 1;2;4 D) 2;3;5 E) 2;4;5

  • ning qiymatini aniqlang.
    A) B) C) D) E)

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