3 -bob planimetriya 1 Burchaklar. Masofalar

3. 
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1. (97-5-49) To'g'ri burchakli uchburchakning kateti 2 ga bu katet qarshisidagi burchak 600 ga teng.

Shu uchburchakning gipotenuzasini toping.

A) 4 B) C) 2 D) E)

2. (97-9-49) To'g'ri burchakli uchburchakning bitta kateti 2 ga, bu katet qarshisidagi burchak 600 ga teng. Ikkinchi katetni toping.

A) B) C) D) E)

3. (97-1-69) Kichik tomoni 2 ga teng bo'lgan uchburchakning burchaklari 1 : 2 : 3 kabi nisbatda bo'lsa, uchburchakning perimetrini toping.

A) B) C) D) E)6+6

4. (97-6-33) Uchburchak burchaklarining kattaliklari nisbati 2 : 3 : 1 kabi, kichik tomonining uzunligi esa 5 ga teng. Uchburchakning katta tomoni uzunligini toping.

A) 13 B) 25 C) 10 D) 5 E) 12

5. (97-6-73) Uchburchakning burchaklari qiymatlari 1 : 2 : 3 kabi nisbatda, katta tomoni 4 ga teng. Uchburchakning perimetrini toping.

A) 8 + 3 B) 3(2 +) C) 11 D) 9 + 4 E) 6 + 6

6. (98-11-82) To'g'ri burchakli uchburchakning o'tkir burchagi 600 ga, gipotenuzasiga tushirilgan balandligi 9 ga teng. Berilgan uchburchakning gipotenuzasini toping.

A) 12 B) 12 C) 12 D) 9 E) 6

7. (99-1-31) Uchburchak ABC da B burchak 900 ga, C burchak 600 ga, BB₁ balandlik 2 ga teng. AB ni toping.

A) 4 B) 2 C) 2 D) 2 E) 4 :