Question

calculati aria unui pătrat cu 120km ​

Answer 1

Răspuns:

Aria patrat= (120km)²=14.400km²

Answer 2

P=4l=120km=>l=30km

$A=l^{2} =900km^{2}$

Sau, daca te referi la l=120km...

$A=l^{2} =120^{2} =12*12*10*10=14.440km^{2}$