Geometriya .VIII-sinf.IV-chorak test.A-variant
1. Agar ko’pburchakning hamma uchlari aylanada yotsa, bunday ko’pburchak aylanaga … 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=12 sm, BC=16 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=20 sm
0
bo’lsa, shu aylananing
radiusini toping.
#1 10 #2 2,5 #3 5 #4 20 #5 30
4. To’g’ri burchakli ABC (
0
) uchburchakka tashqi aylana chizilgan.Agar AB=2,5 sm
0
bo’lsa, shu aylananing
radiusini toping.
#1 10 #2 2,5 #3 5 #4 20 #5 30
5. AB vatar 80
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 4:5 nisbatdagi ikkita yoyga ajratadi.
Urinmalar orasidagi burchakni toping.
#1 60
0
#2 150
0
#3 20
0
#4 90
0
#5 180
0
7. Son qiymati va yo’nalishi bilan aniqlanadigan kattaliklar … kattaliklar deyiladi.
#1 noma’lum #2 vektor #3 skalyar #4 aniq #5 TJY
8. Boshi va oxiri ustma-ust tushgan vektor.
#1 Birlik vektor #2 Cheksiz vektor #3 Nol vektor #4 Qarama-qarshi vektor #5 TJY
9. Moduli birga teng vektor qanday nomlanadi?.
#1 Birlik vektor #2 Cheksiz vektor #3 Nol vektor #4 Qarama-qarshi #5 Teng
10. PE-MPK uchburchakning medianasi.
ni toping.
#1
#2
#3
#4
#5
11.
6
;
5
1
;
3
b
va
a
vektorlar berilgan.
a
b
c
3
vektorning koordinatalarini toping.
#1
9
;
14
#2
3
;
4
#3
3
;
14
#4
3
;
9
#5
6
;
5
12.
3
;
2
1
;
5
b
va
a
vektor berilgan.
b
a
ni hisoblang.
#1 10 #2 6 #3 8 #4 3 #5 7
13. ABCD parallelogrammda agar BC tomon AB dan 8 sm kata , perimetri esa 64 sm ga teng bo’lsa,CD tomonni toping.
#1 14 sm #2 20 sm #3 12 sm #4 15 sm #5 25 sm
14. Agar parallelogram perimetri 2 m ga teng va qo’shni tomonlar ayirmasi 1 sm ga teng bo’lsa, parallelogram qo’shni
tomonlarini
toping.
#1 50 sm, 45 sm #2 44,5 sm , 45,5 sm #3 60 sm , 40 sm #4 35 sm, 65 sm #5 55,5 sm , 35,5 sm
15. ABCD parallelogram A burchagining bissektrisasi BC tomonni P nuqtada kesadi va shu bilan birga BP=PC. Agar
parallelogrammning perimetri 54 sm ga teng bo’lsa, uning CD 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 uzun 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 perimetrini toping.
#1 10 sm #2 6 sm #3 20 sm #4 12 sm #5 15 sm
#1
#2 32 sm #3 2
#4 225 sm #5 24 sm
18. ABCD parallelogrammda
0
. Parallelogrammning C burchagini toping.
#1 285
0
#2 105
0
#3 65
0
#4 75
0
#5 55
0
19. To’g’ri to’rtburchak diagonallarining kesishish nuqtasidan uning tomonlariga o’tkazilgan perpendikulyarlar mos ravishda 4 sm
va 11 sm ga teng . Bu to’g’ri to’rtburchakning yuzini toping.
20. ABCD teng yonli trapetsiyada BC= 20 sm, AB= 24 sm va
0
bo’lsa, uning yuzini toping.
21. To’g’ri burchakli trapetsiyaning asoslari a va b ga, burchaklaridan biri esa ga teng.a= 15 sm, b = 10 sm, =45
0
bo’lsa, katta
yon tomonini toping.
22. Teng yonli trapetsiyaning perimetri 32 sm ga teng, kata yon tomoni 5 sm ga, yuzi esa 44 sm
2
ga teng. Trapetsiyaning
balandligini 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 yuzini toping.
24.
vektorlar berilgan :
ni koordinatalarini toping.
25. A(-1;2), B(-4;-2), C(-1;3), D(-4;-2) bo’lsin. Hisoblang: