Matematika 106/4


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Bog'liq
2004 variant


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

  • To’g’ri burchakli uchburchakning o’tkir burchagi ga, gipotenuzasiga tushirilgan balandligi 21 ga teng. Berilgan uchburchakning kichik katetini toping.
    A) B) C) 10,5 D) 42 E)

  • Quyidagi tasdiqlarning qaysilari to’g’ri?
    1) tomonlari va bo’lgan uchburchakka ichki chizilgan aylananing radiusi formula bilan hisoblanadi;
    2) radiusi ga, markaziy burchagi ga teng doiraviy sektorning yuzi formula bilan hisoblanadi;
    3) tomonlari va ga, ular orasidagi burchaklaridan biri ga teng bo’lgan paralellogrammning yuzi formula bilan hisoblanadi;
    4) diagonallari va ga, ular orasidagi burchagi ga teng ixtiyoriy qavariq to’rtburchakning yuzi
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