Question

Un patrat are aria egala cu 0,36 ha. Cati metri are perimetrul patratului?

Answer 1

Ap= 0,36ha⇒ 0,36hm²⇒ 36dam²⇒ l²

l² = 6²dam²⇒ l=6dam

Pp= 4·6dam= 24dam= 2,4hm

Answer 2

A=$l^{2}$=0,36ha=3600 $m^{2}$,  l=$\sqrt{3600}$=60m,      Ppatrat= 4xl=4x60=240m