[tex] {a}^{2} = 100 {m}^{2} \\ a = 10m[/tex]
[tex] {b}^{2} = 225 {m}^{2} \\ b = 15m[/tex]
Zatem sumujemy
[tex]10m + 10m + 10m + 15m + 15m + 15m + (15m - 10m) = 30m + 45m + 5m = 80m[/tex]
