Spess 3 sentabr 2-gruh guruhlari uchun Matematikadan test

SPESS 3 sentabr 2-gruh guruhlari uchun

Matematikadan test. 20.02.2021

16. Teng tomonli uchburchakning tomoni 12 dm bo’lsa perimetrini toping.

A) 36 sm B) 24 dm

C) 360 dm D) 360 sm

17. Teng yonli uchburchakning perimetri 3,5 m bo‘lib, asosining uzunligi 1,3m ga teng. Yon tomonini toping.

A) 1,2 m B) 130sm C)110sm D) 1,1 sm.

18. To‘g‘ri to‘rtburchak perimetri 112 sm ga teng. Boyi enidan 6 sm uzun. Uning yuzini toping.

A) 775sm² B) 625sm² C) 875sm² D) 725sm²

19. To‘g‘ri to‘rtburchakning yuzi 48sm² bo’yi 6sm. Eni 4sm uzaytirildi. Yuzi o’zgarmasligi uchun bo’yini qanday o’zgartirish kerak.

A) 2sm uzaytirish B) 2sm qisqartirish C) 4sm qisqartirish D) 4sm uzaytirish

20. Tomonlari 45sm va 20sm bo’lgan to’g’ri to’rtburchak yuziga teng bo’lgan kvadrat perimetri toping.

A)900sm B)120sm C)60sm D)240sm

21. To’g’ri to’rtburchakning bo’yi 8sm, eni undan 12sm ortiq. Uning perimetrini toping.

A)20sm B)96sm C)28sm D)56sm

22. -5,3 va 9,9 sonlari orasida nechta butun son bor?

A) 16 B) 17 C) 14 D) 15

23. Agar to’g’ri to’rtburchakning bo’yi 3 marta uzaytirilib, eni 2 marta kamaytirilsa yuzi qanday o’zgaradi?

A)1,5 marta kamayadi B) 1,5 marta ortadi C) 6 marta ortadi D) 6 marta kamayadi

24. Teng yonli uchburchakning asosi 8cm. Peremetri 28cm. Uning yon tomonini toping.

A)10 B)20 C)15 D)25

25. To’g’ri to’rtburchakning yuzi 30,25 sm², eni 6,05 sm. Shu to’g’ri to’rtburchakning perimetrini toping.

A) 11,05 sm B) 22,1 sm C)20,8 sm D) 20,11 sm

26. Yer maydonining yuzi 72 gektarga teng. Agar yer maydonining eni 900 m bo’lsa, yer maydonining bo’yini necha metr?

A)800 B) 900 C) 80 D) 648

27. To’g’ri to’rtburchakning bo’yi 8,3 sm, perimetri 31 sm. Shu to’g’ri to’rtburchakning yuzini toping.

A) 5,97 sm² B) 59,76 sm² C) 69,76 sm² D) 70,73 sm²

28. Quyidagi sxemadan foydalanib bo‘lsa, a=4 natijani toping.

A) 189 B) 292 C) 90 D) -90

29. Agar har bir katakning o‘lchamlari 1 cm × 1 cm bo‘lsa, rasmda tasvirlangan kvadratning yuzini toping. (sm ² )

A)30 B) 25 C) 50 D) 45

30. Quyidagi sxemadan foydalanib bo‘lsa, a=1,5 natijani toping.


A) 8 B) 12,5 C) 2,5 D) 9,25