Geometriya .VIII-sinf.II-chorak test.A-variant
1. Har qanday burchakning nechta simmetriya o’qi bor?
#1 0 #2 1 #3 2 #4 cheksiz ko’p #5 mavjud emas
2. Har qanday kesma nechta simmetriya o’qiga ega?
#1 0 #2 1 #3 2 #4 cheksiz ko’p #5 to’g’ri javob yo’q
3. Nurning nechta simmetriya o’qi bor?
#1 0 #2 1 #3 2 #4 cheksiz ko’p #5 mavjud emas
4. Teng yonli uchburchakning uchidan o’tkazilgan balandligi undan perimetri 36 sm ga teng uchburchak kesadi.Agar
berilgan teng yonli uchburchakning perimetri 40 sm ga teng bo’lsa balandligining uzunligini hisoblang.
#1 12 sm #2 6 sm #3 16 sm #4 11 sm #5 21 sm
5. Teng yonli uchburchak ikki tomonining uzunligi 6 sm va 16 sm bo’lsa , asosi va yon tomonini toping.
#1 16,16 #2 6,16 #3 6,6 #4 6,12 #5 12,25
6. L to’g’ri chiziq ABC uchburchakning simmetriya o’qi .Uchburchakning perimetri 46 sm. AO=6,5 sm bo’lsa, shu
uchburchakning AC tomonini toping.
#1 13 sm #2 16,5 sm #3 17 sm #4 16 sm #5 12 sm
7. L to’g’ri chiziq ABC uchburchakning simmetriya o’qi .Uchburchakning perimetri 48 sm. AO=6 sm bo’lsa, shu
uchburchakning AC tomonini toping.
#1 13 sm #2 16,5 sm #3 17 sm #4 16 sm #5 12 sm
8. (3; -5) nuqtaga koordinatalar boshiga nisbatan simmetrik nuqtaning koordinatalari nimaga teng?
#1 (-3;5) #2 (3;-5) #3 (0;-5) #4 (3;5) #5 (5;3)
9. To’g’ri to’rtburchakning simmetriya o’qlari x= 2 va y=3. Uning uchlaridan biri A(7;5), x=2 to’g’ri chiziqqa
nisbatan simmetrik uchining koordinatasini toping.
#1 (-3;5) #2 (7;1) #3 (-3;1) #4 (-2;4) #5 (2;2)
10. To’g’ri to’rtburchakning simmetriya o’qlari x= 2 va y=3. Uning uchlaridan biri A(2;4), y=3 to’g’ri chiziqqa
nisbatan simmetrik uchining koordinatasini toping.
#1 (-3;5) #2 (7;1) #3 (-3;1) #4 (-2;4) #5 (2;2)
11. Agar ikkita ko’pburchakning yuzlari teng bo’lsa , ular … ko’pburchaklar deb ataladi.
#1 o’lchovdosh #2 yassi #3 qavari #4 tengdosh #5 TJY
12 ABC uchburchak tomonlari AB=10 sm BC=2 sm va AC=8 sm bo’lsa, AB tomonga tushirilgan balandlikni toping.
#1 2#2 1#3 Uchburchak mavjud e'mas#4 5#5 6
13. Perimetri 40sm bo’lgan kvadratni yuzni toping.
#1 10sm
2
#2 20 sm
2
#3 100 sm
2
#4 50 sm
2
#5 60 sm
2
14. Tomonlari mos ravishda 9 sm vs 10sm bo’lgan to’g’ri to’rtburchakning perimetrini toping.
#1 20 sm #2 24 sm #3 30 sm #4 38 sm #5 11 sm
15. Bir tomoni 15 sm,perimetri 46 sm bo’lgan to’g’ri to’rtburchakning yuzi qancha bo’ladi?
#1 150 sm
2
#2 120 sm
2
#3 81 sm
2
#4 10 sm
2
#5 100sm
2
16. Burchagiga ko’ra uchburchaklar necha xil bo’ladi ?
#1 3 #2 2 #3 4 #4 5 #5 5
17. To’g’ri to’rtburchakning yuzi 4 ga,tomonlarining nisbati 4:1 ga teng. Shu to’g’ri to’rtburchakning perimetrini
toping.
#1 1000 m #2 2000 m #3 100m #4 400 m #5 200 m
18. Tomoni 2 sm va 3 dm li togri to’rtburchak ichiga 1 sm
2
lik kvadratchalardan nechta sig’dirish mumkin?
#1 6 ta#2 60 ta#3 0,6 ta#4 0,8 ta#5 8 ta
19. Uchburchakning balandligi 15 sm,asosi 9 sm bo’lsa, uning yuzini toping.
20.Togri burchakji uchburchakning b kateti 24 sm va c gipotenuzasi 26 sm bolsa,yuzini toping.
21.Togri burchakji uchburchakning b kateti 24 sm va c gipotenuzasi 16 sm bolsa,yuzini toping.
22. Tomonlari 5,5,6 bo’lgan uchburchak asosiga tushirilgan balandlikni toping.
23.ABC uchburchakda AB=5 sm BC=7sm va AC=10 sm bo’lsa AC tomonga tushirilgan balandlikni toping .
24. Tomoni 25 sm bo’lgan kvadrat yuzini toping
25.ABC uchburchak tomonlari AB=10 sm BC=4 sm va AC=8 sm bo’lsa, uchburchak yuzini toping.
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