O‘zbekiston respublikasi oliy ta’lim, fan va innovatsiyalar vazirligi sharof rashidov nomidagi samarqand davlat universiteti

20. Radiusi 8 ga teng bulgan shar segmentining balandligi 6 ga teng bulsa, segmentning xajmini toping.
A) B) C) D) E)
21. Radiusi 13 ga teng bulgan shar tekislik bilan kesilgan. Agar shar markazidan kesimgacha masofa 10 ga teng bulsa, kesimning yuzini toping.
A) B) C) D) 3 E)
22. Sirtining yuzi ga teng bulgan sharning xajmini toping.
A) B) C) D) E)
23. Kovak shar devorining xajmi ga, devorining kalinligi 3 ga teng. Tashki sharning radiusini toping.
A) 5 B) 6 C) 4 D) 7 E) 8
24. Xajmi ga teng shar sirtining yuzini aniklang.
A) B) C) D) E)
25. Shar katta doirasining yuzi ga teng. Sharning markazidan kanday masofada utkazilgan tekislik shardan doirasining yuzi 9 ga teng bulgan kesim ajratadi.
A) 3,8 B) 3,6 C) 3,5 D) 4 E) 2,8
26. Tenglamasi bulgan sferaning radiusi uzunligini toping.
A) 5 B) 6 C) 7 D) 8 E) 4
27. Tomonlari 10; 10 va 12 ga teng bulgan uchburchak shar sirtiga urinadi. Uchburchak tekisligidan shar markazigacha masofa 4 ga teng bulsa, sharning radiusini toping.
A) 5 B) 6 C) 8 D) 4 E) 3
28. Radiusi 13 ga teng bulgan shar sirtiga diagonallari 30 va 40 ga teng bulgan romb tomonlari urinadi. Romb tekisligidan shar markazigacha bulgan masofani toping.
A) 5 B) 6 C) 8 D) 4 E) 3
29. Markazi (1;2;3) nuqtalarda radiusi 5 ga teng sfera tenglamasini aniklang.
A) B)
C) D)
E)
30. Rasmda ko‘rsatilgan figurani OX o‘qi atrofida aylantirishda hosil bo‘lgan jismning hajmini toping

A) 25π V) 48π S) 35π D) 45π Ye) 30π