8-sinf test Tеngsizlikni yeching

Tengsizlikni yeching. 3 А)x -2 В) x 2 С) x 1 D)0 x 2

Ko`pburchak ichki burchaklari va bitta tashqi burchagining yig`indisi 2070⁰ga teng. Shu ko`pburchakning nechta tomoni bor? А)13 В)11 С)16 D)15

Parallelogrammning ikki tomoni nisbati 3:7, uning perimetri 18 sm gat eng. Shu parallelogrammning kichik tomonini toping.

А)2,7 sm В)3,4 sm С)5,4 sm D)4,5 sm

14. 
    Teng yonli trapesiyaning perimeti 36 sm, o`rta chizig`i 10 sm. Yon tomonining uzunligini toping.
    

А)10 sm В)12 sm С)8 sm D)13 sm

15.