Matematika 8-sinf uchun. Test №1


Download 0.86 Mb.
bet15/19
Sana09.01.2022
Hajmi0.86 Mb.
#264769
1   ...   11   12   13   14   15   16   17   18   19
Bog'liq
8-sinf

A)15 B)25 C)26 D)18 E)32


21. To’g’ri burchakli uchburchakning katetlari 15 va 20 teng. Katta katetining gipotenuzadagi proyeksiyasini toping.

A)12 B)14,5 C)16 D)16,5E)18

22. Balandligi 6 ga teng bo’lgan teng yonli uchburchakning asosi yon tomonidan 6 ga ortiq . Uchburchakning asosini toping .

A)16 B)15 C)18 D)24 E)20

23. To’g’ri burchakli uchburchakning gipotenuzasi 10 sm , kichik katetning gipotenuzadagi proyeksiyasi 3,6 sm . Uchburchakning yuzi necha sm2 ?

A)48 B)24 C)18 D)32 E)20,4

24. Kvadratning perimetri 20% ga uzaytirilsa , uning yuzi necha foizga ko’payadi ?

A)20 B)25 C)40 D)44 E)42

25. Rombning yuzi 18 ga , diagonallaridan biri 9 ga teng . Ikkinchi diagonalning uzunligi nimaga teng ?

A)3,5 B)5 C)4,5 D)4 E)6


Omad tilayman !


Matematika 8-sinf uchun.

Test №8
1. Ushbu 31323334…7980 sonning raqamlari yig’indisini toping .A)473 B)480 C)460 D)490 E)453

2. 352 sonining o’ng tomoniga qanday raqam yozilsa , hosil bo’lgan son 36 ga qoldiqsiz bo’linadi ?



A)0 B)2 C)6 D)7 E)4

Download 0.86 Mb.

Do'stlaringiz bilan baham:
1   ...   11   12   13   14   15   16   17   18   19




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling