3. Perimetrul grădinii =
AH + AB + BC + CD + DE + EF + FG + GH=
= 6 m + 9 m + 1 m + 2 m + (1 m + 6 m + 2 m) + (11 m - 3 m) + 2 m + 3 m =
= 18 m + 9 m + 8 m + 2 m + 3 m =
= 27 m + 8 m + 2 m + 3 m =
= 35 m + 2 m + 3 m =
= 37 m + 3 m =
= 40 m
Varianta: b)
