sinf agar va bo‘lsa, ning qiymatini toping. A b c d agar arifmetik progressiyada, bo‘lsa, uning dastlabki o‘n ikki hadi yig‘indisini toping. A b c d agar geometrik progressiyada, va bo‘lsa, uning hadlari soni ni toping


Radiusi R ga teng aylanaga ichki chizilgan muntazam oltiburchakning tomonini toping. A) B) C) D) 18


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MATEMATIKA 9-sinf 3-chorak monitoring

17. Radiusi R ga teng aylanaga ichki chizilgan muntazam oltiburchakning tomonini toping. A) B) C) D)
18. Har birining diametri 50 ga teng bo‘lgan uchta quvur suv o‘tkazish qobiliyati shu uchta quvurnikiga teng bo‘lgan bitta quvur bilan almashtirildi. Yangi quvurning diametrini toping. A) B) C) D)
19. Ikkita doiraning umumiy vatari va li yoylarni tortib turadi. Kichik doira yuzining katta doira yuziga nisbatini toping.
A) B) C) D)
20. ABCD kvadratning har bir uchini markaz qilib to‘rtta chorak doira chizildi. Agar kvadratning tomoni 6 cm ga teng bo‘lsa, bo‘yalgan sohaning yuzini toping.

A) B) C) D)





1B

2B

3B

4Q

5Q

6Q

7Q

8Q

9Q

10Q

A

B

D

B

B

A


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