8 - nazorat ishi
I variant TEST
1. Daraxt soyasining uzunligi 39 m, balandligi 2,1 m bo‘lgan tik yogochning soyasi 4,2 m bo‘lsa, daraxtning balandligini aniqlang.
1) 19,5 m 2) 1,95 m 3) 195m 4) 20 m
2.Beshburchaknig katta tomoni 14 dm, perimetri esa - 46 dm. Katta tomoni
21 dm bo‘lgan unga o‘xshash beshburchaknig perimetrini toping.
1) 56 dm 2) 59 dm 3) 69dm 4) 96dm
3. Uchburchakning ikki tomoni 2 sm va 4 sm va ular orasidagi burchak . Uchburchakning юzini toping.
1)3 2)6 3)4 4)2
4. Uzunligi 250 dm bo‘lgan narvon devorga li burchak ostida qiya qilib qo‘yilgan. Devorning balandligini toping.
1) 126 dm 2) 125 dm 3) 129dm 4) 120dm
5. Uchburchakning tomonlari sm va 4 sm , ular orasidagi burchak Uchburchakning uchinchi tomonini toping.
1) 6 sm 2) sm 3) sm 4) 5 sm
6. Shkiv aylanasining uzunligi 125,6 mm. Shkiv diametrining uzunligini toping.
1) 39,95 m 2) 39,98 m 3) 399 mm 4) 399,8 mm
7. Gullar uchun qilingan klumba doira shaklida bo‘lib, uning radiusi 10,5 m. Klumbaning юzini toping.
1)346,2 2)336,2 3)345,2 4)342,2.
|
