Iii variant Algebra
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Geometriya
1. muntazam oltiburchak tomoni uzunligi 6 cm ga teng. uchburchak yuzini toping. A) √ B) √ C) √ D) √ Javob: 2. Berilgan savollarga to‘g‘ri javobni mos qo‘ying. 1) ⃗ vektor bo‘ylab ko‘chirishda nuqta qaysi nuqtaga ko‘chadi? 2) Parallel ko‘chirishda nuqta nuqtaga ko‘chdi. Bu almashtirishda koordinata boshi qaysi nuqtaga ko‘chadi? 3) nuqtaga nisbatan simmetriyada nuqta qaysi nuqtaga o‘tadi? 4) o‘qiga nisbatan simmetriyada nuqta qaysi nuqtaga o‘tadi? A) B) C) D) E) F) Javob: 1 2 3 4 3.Trapetsiyaning asoslari 8 cm va 12 cm ga, o‘tkir burchaklaridan biri ° ga teng. Yon tomonlari davom ettirilsa, to‘g‘ri burchak ostida kesishadi. Trapetsiyaning balandligini toping. Javob: _______________________ 4. kvadratni tomoni uzunligi 1 cm ga teng va u aylanani vatari bo‘lib, kvadratni qolgan tomonlari bu aylanadan tashqarida yotadi. uchidan bu aylanaga urinma o‘tkazilgan va uning uzunligi 2 cm ga teng. Aylana diametrini toping. A) √ B) √ C) √ D) √ Javob: 5. Aylanaga ichki chizilgan muntazam uchburchakning tomoni 6 cm ga teng. Shu aylanaga ichki chizilgan kvadratning yuzini toping. Javob: _______________________ 6. | ⃗| , | ⃗⃗| ⃗ va ⃗⃗ vektorlar orasidagi burchak ° ga teng bo‘lsa, ⃗ ⃗⃗ va ⃗ ⃗⃗ vektorlarning skalyar ko‘paytmasini toping. Javob: _______________________ 7. uchburchakda cm, tomoni tomonidan 4 cm uzun va uchidagi burchagi uchidagi burchagidan 2 marta katta. Uchburchakning va tomonlari uzunliklarini toping. Yechish: _____________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Javob: _______________________ 8. – to‘g‘ri to‘rtburchakning va tomonlaridan mos holda shunday va nuqtalar olinganki, bunda bo‘ladi. Agar cm, cm, cm bo‘lsa, uchburchakning yuzini toping Yechish: _____________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Javob: _______________________ |
