geometriya test

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2 1-mavzu: burchaklar. 1. ko'shni burchaklardan biri ikkinchisidan 16 katta. shu ko'shni burchaklarni toping. a)  164,16 b)  96,80 c)  32,148 d)  98,82 e)  118,62 2. ikki to'gri chizik kesishishidan xosil bulgan burchaklarning ayirmasi 40 0 ga teng. kichik burchakni toping. a) 60 b) 40 c) 50 d) 70 e) 45 3. ikki to'gri chizikning kesishishidan xosil bulgan ko'shni burchaklar 5:7 nisbatda bulsa, shu burchaklarni toping. a)  144,36 b)  105,75 c)  138,42 d)  142,38 e)  95,85 4. ikki ko'shni burchakning ayirmasi 24 ga teng. shu burchaklardan kichigini toping. a) 72 b) 68 c) 82 d) 76 e) 78 5. soatning minut mili 12 minutda necha gradusga buriladi. a) 72 b) 90 c) 45 d) 15 e) 24 6. burchakni bissektrissasi uning tomoni bilan 22 tashkil kilsa, burchakning uzini toping. a) 48 b) 44 c) 45 d) 88 e) 144 7. soatning …
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siga tushirilgan medianasi uni perimetrlari 18 va 24 ga teng bulgan ikki uchburchakka ajratadi. berilgan uchburchakning kichik ѐn tomoni 6 ga teng. uning katta ѐn tomonini toping. a) 10 v) 12 s) 14 d) 9 e) 15 2. a ning kanday kiymatlarida uzunliklari mos ravishda a21 , a1 va 2 ga teng bulgan kesmalardan uchburchak yasash mumkin. a) ø v)        0; 3 2 s)       3 2 :0 d)        0; 2 1 e)        1; 2 1 3. a parametrning kaysi kiymatlarida uzunliklari mos ravishda a41 , a1 va 2a ga teng bulgan kesmalardan uchburchak yasash mumkin. a)        0; 2 1 v) (0;1) s) ø d)        0; 2 1 e)  …
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uchburchakning asosidagi tashki burchagi necha gradus. a) 100 ; v) 102 ; s) 96 ; d) 108 ; e) 104 12. teng ѐnli uchburchakning uchidagi burchagi 80 ga teng. yon tomoniga o'tkazilgan balandlik va asosi orasidagi burchakni toping. a) 35 ; v) 45 ; s) 30 ; d) 40 ; e) 50 13. teng ѐnli uchburchakning asosidagi tashki burchagi unga ko'shni burchakdan 40 ga katta. teng ѐnli uchburchakning uchidagi burchagini toping. a) 30 ; v) 40 ; s) 42 ; d) 36 ; e) 38 4 14. avs uchburchakning v va s burchaklari bissektrisalari 128 burchak ostida kesishadi. a burchakning kiymatini toping. a) 104 ; v) 76 ; s) 72 ; d) 66 ; e) 52 15. an avs uchburchakning bissektrissasi. agar av=an va 30c bo'lsa v burchak necha gradusga teng. a) 40 ; v) 50 ; s) 60 ; d) 70 ; e) 80 3-mavzu: to'gri burchakli uchburchak. 1. …
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va 72 ; d) 32 va 90 ; e) 60 va 62 8. tugri burchakli uchburchakning katetlari 15 va 20 ga teng. katta katetning gipotenuzadagi proektsiyasini toping. a) 12 ; v) 1,5 ; s) 16 ; d) 16,5 ; e) 18 9. tugri burchakli uchburchakning katetlari 24 va 7 ga teng. kichik katetning gipotenuzadagi proektsiyasini toping. a) 3 7 2 ; v) 5 ; s) 2 25 4 ; d) 1 25 24 ; e) 3 10. tugri burchakli uchburchakning gipotenuzasi 6 ga, katetlaridan biri 4 ga teng. shu katetning gipotenuzadagi proektsiyasini toping. a) 3 ; v) 3 1 2 ; s) 5 2 2 ; d) 3 2 2 ; e) 2,5 11. tugri burchakli uchburchakning katetlari 9 va 12 ga teng. kichik katetning gipotenuzadagi proektsiyasini toping. a) 6 ; v) 5 3 2 ; s) 5,4 ; d) 4,8 ; e) 6 3 1 12. tugri burchakli uchburchakning …
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to'gri burchakli uchburchakning kateti 2 ga bu katet karshisidagi burchak 60 ga teng. shu uchburchakning gipotenuzasini toping. a) 4 v) 3 34 s) 32 d) 3 e) 2 3 5. uchburchakning burchaklari 1:2:3 kabi nisbatda, katta tomoni 34 ga teng. uchburchakning perimetrini toping. a) 338  v)  323  s) 311 d) 39 e) 366  6. to'gri burchakli uchburchakning o'tkir burchagi 60 ga, gipotenuzasiga tushirilgan balandligi 9 ga teng. berilgan uchburchakning gipotenuzasini toping. a) 312 v) 212 s) 12 d) 39 e) 36 7. uchburchak avs da v burchak 90 ga, s burchak 60 ga, vv1 balandlik 2 ga teng. av ni toping. a) 4 v) 2 s) 32 d) 22 e) 34 8. to'gri burchakli uchburchakning burchaklaridan biri 60 ga gipotenuzasi 15 ga teng. kichik katetning uzunligini toping. a) 5,7 v) 5,10 s) 15 d) 12 e) 20 9. tugri burchakli uchburchakning 30 li utkir burchagi karshisidagi …

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2 1-mavzu: burchaklar. 1. ko'shni burchaklardan biri ikkinchisidan 16 katta. shu ko'shni burchaklarni toping. a)  164,16 b)  96,80 c)  32,148 d)  98,82 e)  118,62 2. ikki to'gri chizik kesishishidan xosil bulgan burchaklarning ayirmasi 40 0 ga teng. kichik burchakni toping. a) 60 b) 40 c) 50 d) 70 e) 45 3. ikki to'gri chizikning kesishishidan xosil bulgan ko'shni burchaklar 5:7 nisbatda bulsa, shu burchaklarni toping. a)  144,36 b)  105,75 c)  138,42 d)  142,38 e)  95,85 4. ikki ko'shni burchakning ayirmasi 24 ga teng. shu burchaklardan kichigini toping. a) 72 b) 68 c) 82 d) 76 e) 78 5. soatning minut mili 12 minutda necha gradusga buriladi. a) 72 b) 90 …

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