Question

um quadrado tem area igual a 60 cm2.Qual e a media do lado desse quadrado

Answer 1

Aproximadamente 7,74 cm.

Answer 2

$A=l^2\\60=l^2\\\\l=\sqrt{60}$

60 / 2
30 / 2
15 / 3
5 / 5
1         =>2².3.5

$l=\sqrt{60}\\l=\sqrt{2^2\cdot3\cdot5}\\l=2\sqrt{3\cdot5}\\\\\boxed{\boxed{l=2\sqrt{15}\ cm}}$