A) romb B) ko’pburchak C) parallellogramm
D) uchburchak E) bechburchak deyiladi
72. Parallellogrammning diagonallari - …
A)kesishish nuqtasida teng ikkiga bo’linadi B) ular o’zaro teng
C) kesishish nuqtasida teng uchga bo’linadi D) ular o’zaro parallel
E) ular o’zaro perpendikulyar
73. Ikkita to’g’ri chiziqning kesishishidan hosil bo’lgan burchaklardan biri 750 bo’lsa, qolgan burchaklarni toping
A) 750,1050,1050 B) 750, 750,1050 C) 750, 750, 750 D) 1050,1050,1050 E) 1800, 750, 1050
74. Teng yonli uchburchakning perimetri 10 ga teng, yon tomoni asosidan 12 marta uzun. Uchbburchakning asosi qanchaga teng?
A) 0,8 B) 0,4 C) 0,5 D) 0,6 E) 0,7
75. Agar uchburchakning A, B va C burchaklari 1:2 va 3 sonlariga proporsional bo’lsa, B burchakni toping
A) 300 B) 900 C) 600 D) 450 E) 1200
76. Qo’shni burchaklardan biri ikkinchisidan 160 katta. Shu qo’shni burchaklarni toping
A) 160, 1040 B) 800, 960 C) 1480, 320 D) 820, 980
E) 620, 1180
77. Ikkita to’g’ri chiziqning kesishishidan hosil bo’lgan uchta burchakning yig’indisi 3150 ga teng. Shu burchaklardan kicigini toping.
A) 600 B) 450 C) 700 D) 850 E) 500
78. Soatning minut mili 6 minutda necha gradusga buriladi?
A) 200 B) 240 C) 360 D) 400 E) 600
Do'stlaringiz bilan baham: |