7-sinf matematika I variant

16.To’rtburchakning nechta diogonali mavjud?
A)4 ta B) 3 ta C) 2 ta D) 1 ta
17. 170⁰ li burchak qanday burchak?
A)o’tkir burchak B)o’tmas burchak C)yoyiq burchak D)to’g’ri burchak
18.Vertikal burchaklardan biri 35⁰ bo’lsa, qolganlarini toping?
A)145⁰; 35⁰; 145⁰ B) 145⁰; 145⁰ C) 35⁰; 145⁰ D) 35⁰; 145⁰; 35⁰
19.Siniq chiziq tomonlari 2,5; 7,5; 5; 3 sm ga teng bo’lsa p=?
A)18 sm B) 15 sm C) 13 sm D) -18 sm
20.Eng sodda ko’pburcahk bu-……………..?
____________________________________________________________
21. Yig’indini ko’paytma shaklida yozing: c+c+c=?
____________________________________________________________
22.Toq sonning algebraik ifodasini toping?
____________________________________________________________