To`g`ri to`rt burchakning eni sm balandligi undan sm ortiq. To`g`ri to`rtiburchakning perimetrin xisoblang

2 Variant

2.Teng yonli uchburchakning tomoni7 sm asosi 3 sm bo`lsa, uchburchakning perimetrin toping.

7.Uchburchakning o’rta chizig’i ...

12.Parallelogrammning maydoni...

17.Ikki tog’ri chiziqning kesishishidan hosil bo’lgan burchaklar 5:7 munosabatda bo’lsa, shu burchaklarni toping.

22.To’rtburchakning burchaklari o’zaro 3:5:4:6 munosabatda Egri to’rt burchakning diagonallari uni necha uch burchakka ajratadi.

27.Uch burchakning tomonlari 4,5 sm, 6 sm va 4 sm lik tomonining 6 sm lik tomonidagi proektsiyasin toping.

32.ABCDEF to`g`ri to`rt burchakning yuzi 144 ga teng. ABC uch burchakning yuzini toping.