Geometriya .VIII-sinf. IV-chorak test. D-variant
1. To’g’ri burchakli uchburchakka tashqi chizilgan aylananing markazi qaerda bo’ladi.
#1 Katetlar kesishgan nuqtada #2 Gipotenuzaning o’rtasida #3 Katetning o’rtasida #4 Hamma jovob to’g’ri #5 TJY
2. To’g’ri burchakli ABC (
0
) uchburchakka tashqi aylana chizilgan.Agar AB=24 sm, BC=32 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=10 sm
0
bo’lsa, shu aylananing
radiusini toping.
#1 10 #2 2,5 #3 5 #4 20 #5 30
4. AB vatar 90
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. Aylanadan tashqaridagi nuqtadan o’tkazilgan ikki urinmaning urinish nuqtalari aylanani 1:11 nisbatdagi ikkita yoyga ajratadi.
Urinmalar orasidagi burchakni toping.
#1 60
0
#2 150
0
#3 20
0
#4 90
0
#5 180
0
6. Faqat son qiymati bilan aniqlanadigan kattaliklar … kattaliklar deyiladi.
#1 noma’lum #2 vektor #3 skalyar #4 aniq #5 TJY
7. Yo’nalishga ega bo’lgan kesma … deyiladi.
#1 yo’nalishli kesma #2 yo’nalishsiz kesma #3 kesma #4 vektor #5 Hammajavob to’g’ri
8. Bir to’g’ri chiziqqa parallel bo’lgan vektorlar … vektorlar deyiladi.
#1 Birlik #2 Kollinear #3 Nol #4 Qarama-qarshi vektor #5 Teng
9. MKPC –parallelogramm.E-MP va KC diagonallarning kesishish nuqtasi.
ni toping.
#1
#2
#3
#4
#5
10. A(2;4), B(3;6) va C(6;14) nuqtalar berilgan.
AC
AB
ni hisoblang.
#1 14 #2 12 #3 10 #4 13 #5 13
2
11.
1
;
0
2
;
3
b
va
a
vektor berilgan.-2
b
a
4
vektorning modulini toping.
#1 10 #2 6 #3 8 #4 3 #5 5
12. ABCD parallelogrammda agar BC tomon AB dan 8 sm kata , perimetri esa 64 sm ga teng bo’lsa,AD 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. ABCD parallelogram A burchagining bissektrisasi BC tomonni P nuqtada kesadi va shu bilan birga BP=PC. Agar
parallelogrammning perimetri 36 sm ga teng bo’lsa, uning BC tomonini toping.
#1 8 sm #2 12 sm #3 9 sm #4 22 sm #5 16 sm
15. 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 yuzini toping.
#1 10 sm
2
#2 14sm
2
#3 140sm
2
#4 48 sm
2
#5 24sm
2
16. ABCD romb berilgan. AC va BD diagonallar mos ravishda 20 sm va 12 sm ga teng. BO kesmaning uzunligini toping.
#1 10 sm #2 6 sm #3 20 sm #4 12 sm #5 15 sm
17. ABCD parallelogrammda
0
. Parallelogrammning B burchagini toping.
#1 285
0
#2 105
0
#3 65
0
#4 75
0
#5 95
0
18. 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 perimetrini toping.
#1 20 sm #2 30 sm #3 40 sm #4 50 sm #5 60 sm
19. ABCD teng yonli trapetsiyada BC= 20 sm, AB= 24 sm va
0
bo’lsa, uning perimetini toping.
20. 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.
21. Teng yonli to’g’ri burchakli uchburchakning gipotenuzasi 20 sm ga teng. Shu uchburchakning perimetrini toping.
22. To’g’ri burchakli trapetsiyaning yuzi 120 sm
2
, perimetri 56 sm ga, kichik yon tomoni 6 sm ga teng. Katta yon tomonini toping.
23. ABC uchburchakda AE va BD- balandliklar.AC = 20 sm, BD=16 sm va BC=32 sm ga teng. AE ni toping.
24. A(-1;2), B(-4;-2), C(-1;3), D(-4;-2) bo’lsin. Hisoblang:
25.
vektorning moduli 13 ga teng. x ning qiymatini toping.