Geometriya .VIII-sinf.IV-chorak test. B-variant
1. Agar ko’pburchakning hamma uchlari aylanada yotsa, bunday aylana ko’pburchakka … deyiladi.
#1 tashqi chizilgan #2 ichki chizilgan #3 urinma #4 Hammasi to’g’ri #5 TJY
2. To’g’ri burchakli ABC (
0
) uchburchakka tashqi aylana chizilgan.Agar AB=4 sm, BC=3 sm bo’lsa, shu aylananing
radiusini toping.
#1 10 #2 2,5 #3 5 #4 20 #5 30
3. To’g’ri burchakli ABC (
0
) uchburchakka tashqi aylana chizilgan.Agar AB=30 sm
0
bo’lsa, shu aylananing
radiusini toping.
#1 10 #2 2,5 #3 5 #4 20 #5 30
4. AB vatar 60
0
li yoyni tortib turadi. Shu vatarning uchlaridan aylanaga o’tkazilgan urinmalarbilan vatardan hosil bo’lgan
burchaklar yig’indisini toping.
#1 60
0
#2 120
0
#3 90
0
#4 80
0
#5 50
0
5. AB vatar 50
0
li yoyni tortib turadi. Shu vatarning uchlaridan aylanaga o’tkazilgan urinmalarbilan vatardan hosil bo’lgan
burchaklar yig’indisini toping.
#1 60
0
#2 120
0
#3 90
0
#4 80
0
#5 50
0
6. Aylanadan tashqaridagi nuqtadan o’tkazilgan ikki urinmaning urinish nuqtalari aylanani 6:12 nisbatdagi ikkita yoyga ajratadi.
Urinmalar orasidagi burchakni toping.
#1 60
0
#2 150
0
#3 20
0
#4 90
0
#5 180
0
7. Berilgan kattaliklardan vektor kattalikni toping:
#1 Uzunlik #2 yuza #3 kuch #4 vaqt #5 og’irlik
8. Vektorni ifodalovchi kesmaning uzunligi vektorning … deyiladi.
#1 oxiri #2 boshi #3 moduli #4 uchi #5 TJY
9. Agar A
1
(x
1
;y
1
) va A
2
(x
2
;y
2
) bo’lsa A
1
A
2
vektorning kordinatasini toping.
#1 x
1
+x
2
va y
1
+y
2
#2 x
1
-x
2
va y
1
-y
2
#3 x
2
-x
1
va y
2
-y
1
#4 Hammasi to’g’ri #5 TJY
10. AD-ABC uchburchakning medianasi.
ni toping.
#1
#2
#3
#4
#5
11. A(-3;0) va B(-5;4) nuqtalar berilgan.
BA
vektorning koordinatalarini toping.
#1
4
;
8
#2
4
;
8
#3
4
;
2
#4
4
;
8
#5
4
;
8
12. ABCD parallelogrammda agar BC tomon AB dan 8 sm kata , perimetri esa 64 sm ga teng bo’lsa,BC tomonni toping.
#1 14 sm #2 20 sm #3 12 sm #4 15 sm #5 25 sm
13. ABCD parallelogrammda agar
0
bo’lsa,
#1 125
0
#2 55
0
#3 65
0
#4 90
0
#5 180
0
14. Agar parallelogram perimetri 2 m ga teng va qo’shni tomonlarining nisbati 2 ga teng bo’lsa,parallelogram qo’shni tomonlarini
toping.
#1 1m, 2m #2 2m, 3m #3
#4
#5 4 m , 5 m
15. ABCD parallelogram A burchagining bissektrisasi BC tomonni P nuqtada kesadi va shu bilan birga BP=PC. Agar
parallelogrammning perimetri 66 sm ga teng bo’lsa, uning AD tomonini toping
#1 8 sm #2 12 sm #3 9 sm #4 22 sm #5 16 sm
16. To’g’ri to’rtburchak diagonallarining kesishuv nuqtasidan uning tomonlariga o’tkazilgan perpendikulyarlar mos ravishda 5 sm
va 7 sm ga teng. Bu to’g’ri to’rtburchakning qisqa tomonini toping.
#1 10 sm #2 14sm #3 140sm #4 48 sm #5 24sm
17. ABCD romb berilgan. AC va BD diagonallar mos ravishda 20 sm va 12 sm ga teng. Rombning yuzini toping.
#1 100 sm
2
#2 110 sm
2
#3 140 sm
2
#4 120 sm
2
#5 60 sm
2
18. ABCD parallelogrammda
0
. Parallelogrammning D burchagini toping.
#1 285
0
#2 105
0
#3 65
0
#4 75
0
#5 55
0
19. ABCD teng yonli trapetsiyada BC= 20 sm, AB= 24 sm va
0
bo’lsa, uning AD asosini toping.
20. To’g’ri burchakli trapetsiyaning asoslari a va b ga, burchaklaridan biri esa ga teng.a= 7 sm, b = 4 sm, =60
0
bo’lsa, katta
yon tomonini toping.
21. Teng yonli to’g’ri burchakli uchburchakning gipotenuzasi 20 sm ga teng. Shu uchburchakning yuzini toping.
22. Teng yonli trapetsiyaning perimetri 32 sm ga teng, kata yon tomoni 5 sm ga, yuzi esa 44 sm
2
ga teng. Trapetsiyaning kata
asosini toping.
23. ABCD to’g’ri to’rtburchak C uchining bissektrisasi AD tomonni P nuqtada kesadi. Agar AP= 10 sm, PD=14 sm ga teng
bo’lsa, shu to’g’ri to’rtburchakning perimetrini toping.
24.
vektorlar berilgan :
ni koordinatalarini toping.
25. A(-1;2), B(-4;-2), C(-1;3), D(-4;-2) bo’lsin. Hisoblang:
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