Matematika 106/4

formula bilan hisoblanadi;
5) o’xshash figuralar yuzlarining nisbati ularning mos chiziqli o’lchovlarining nisbatiga teng;
A) 1;3;4; B) 2;3;4 C) 1;2;4 D) 1;2;5 E) 2;4;5

Tekistlikka tushirilgan og’ma va perpendikulyar orasidagi burchak ga teng. Og’maning uzunligi 13 ga teng. Perpendikulyarning uzunligini toping.
A) B) 5 C) D) 6 E) 12

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

To'rtburchakli mumtazam piramida asosining tomoni 3 marta kattalashtirildi, balandligi esa 3 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A) 9:1 B) 1:1 C) 3:1 D) 1:9 E) 1:3

Quyidagi tasdiqlarning qaysilari to’g’ri?
1) ikkita o’xshash jism hajmlarining 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 segmentining hajmi ga teng (-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) 2 C) -2 D) E)

Quyidagi formulalarning qaysilari to'g'ri?
1)
2) ,