Matematika fanidan kompetensiyaviy yondoshuvga asoslangan nazorat ishlari yuzasidan


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Matematika-fanidan-nazorat-ishi

Yozma ish № 9 Test

I variant

1. Daraxt soyasining uzunligi 39 m. Yerga tik qadalgan, balandligi 2,1 m bo’lgan xoda soyasi 4,2 m. Daraxt balandligini aniqlan.

1) 19,5 m 2) 1,95 m 3) 195 m 4) 20 m

2. Beshburchakning katta tomoni 14 dm, uning perimetri– 46 dm ga teng. Unga o’xshash, katta tomoni 21 dm bo’lganbeshburchakning perimetrini toping.

1) 56 dm 2) 59 dm 3) 69 dm 4) 96 dm

3. Uchburchakning ikki tomoni 2 sm va 4 sm, ular orasidagi burchagi 30о gat eng. Uchburchakning yuzini toping.

1)3 2)6 3)4 4)2

4.Uzunligi 250 dm bo’lgan narvon uy devori chetiga li burchak ostida tiralgan. Devor balandligini toping.

1) 126 dm 2) 125 dm 3) 129dm 4) 120dm

5. Uchburchakning ikki tomoni sm va 4 sm, ular orasidagi burchagi 30о ga teng. Uchburchakning uchinchi tomonini toping.

1) 6 sm 2) sm 3) sm 4) 5 sm

6. Shkiv aylanasining uzunligi 125,6 mm. Shkivning diametrini toping.

1) 39,95 mm 2) 39,98 mm 3) 399 mm 4) 399,8 mm

7. Radiusi 10,5 m bo’lgan doira shaklidagi klumba maydoni yuzini toping.

1)346,2 m 2 2)336,2 m 2 3)345,2 m 2 4)342,2 m 2.


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