Matematika 106/4

formula bilan hisoblanadi.
4) dioganallari 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 kavadratlarining nisbatiga teng.
A) 1;2;5 B) 1;3;5 C) 1;3;4 D) 3;4;5 E) 2;3;5

Tekistlikka tushirilgan og’ma va perpendikulyar orasidagi burchak ga ten. Og’maninguzunligi 50 ga ten. Perpendikulyarning uzunligini toping.
A) 14 B) 24 C) 7 D) E) 48

va vektorlar perpendikulyar bo’lsa, ning qiymati qanchaga teng bo’ladi?
A) 0 B) -5 C) D) E) 5

Piramidaning asosi tomonlari 6 va 8 ga teng bo’lgan to’g’ri to’rtburchakdan iborat. Piramidaning har bir yon qirrasi ga teng bo’lsa, uning balandligini toping.
A) 100 B) 20 C) 5 D) 25 E) 10

Quyidagi tasdiqlarning qaysilari to’g’ri?
1) ikkita o’xshash jismlarning nisbati ularning mos chiziqli o’lchovlari kublarining nisbatiga teng;
2) silindrning hajmi asosining yuzi bilan balandligi ko’paytmasiga teng;
3) sharning hajmi ga teng;
4) shar sektorining hajmi ga teng (-mos shar segmentining balandligi,
-sharning radiusi);
5) asosining radiusi ga, balandligi ga teng silindr yon sirtining yuzi ga teng;
A) 1;3;5 B) 1;2;4 C) 1;2;5 D) 2;3;5
E) 2;4;5

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

Quyidagi formulalardan qaysilari to’g’ri?
1)