Matematika 106/4


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formula bilan hisoblanadi.
3) Tomonlari va ga, ular orasidagi burchaklaridan biri ga teng bo’lgan paralellogrammning yuzi formula bilan hisoblanadi.
4) Diaganallari 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)2;3;4 B) 3;4;5 C) 1;3;5 D) 1;2;4 E) 1;3;4

  • Tekislikka og’ma va perpendikulyar tushirilgan. Og’ma va tekistlik orasidagi burchak ga, og’maning tekistlikdagi proyeksiyasi 7 ga teng. Perpendikulyarning uzunligini toping.
    A) B) C) D) 24 E) 12

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

  • To’rtburchakli muntazam piramida asosining tomoni 2 marta kattalashtirildi, balandligi esa 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 uchdan biriga teng.
    2) ikkita o’xshash jism hajmlarining nisbatini ularning mos chiziqli o’lchovlari kublarining nisbatiga teng.
    3) silindrning hajmi asosining yuzi bilan balandligi ko’paytmasining uchdan biriga teng.
    4) sharning hajmi ga teng.
    5) shar segmentining hajmi ga teng.

    A)1;2;3 B) 2;3;4 C) 1;2;4 D) 1;4;5 E) 2;4;5


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